The etiology of mental illness has long been a subject of extensive psychological inquiry. While various models emphasize either biological predispositions or environmental stressors, there remains a need for a comprehensive framework that bridges the gap between individual psychological development and environmental contexts. The proposed Theory of Constant Interaction offers a theoretical model to explain the development, multiplicity, and treatment of mental health conditions. This theory posits that human experience is the direct result of a continuous, dynamic exchange between an individual’s Inner World and their External World. When a disruptive Inner World encounters a harsh External World, the resulting friction can manifest as mental illness.
The Inner World
According to the Theory of Constant Interaction, the foundation of the human psyche is established during early childhood development. It is during this critical developmental period that individuals form their core thinking and behavior patterns. These foundational cognitive and behavioral schemas become deeply ingrained, shaping the fundamental traits of the individual.
In many cases, adverse or inconsistent early developmental experiences lead to the formation of unhelpful thinking patterns and unhelpful behaviors. These unhelpful patterns and traits define the psychological Inner World of the individual. The Inner World serves as the internal lens through which a person interprets, processes, and responds to reality. Even when an individual possesses traits that might be labeled as negative, impulsive, or neurotic, they are often capable of functioning within the normal range of human behavior. Their Inner World, while potentially disruptive, does not automatically result in mental illness in isolation. Body physiology and the biological mechanism of an individual is an inevitable part of one’s inner world.
The External World
In contrast to the internal psychological landscape, the External World encompasses the entirety of an individual’s environment. This includes interpersonal domains such as family dynamics, romantic relationships, and broader community structures. It also includes socioeconomic factors such as the state of the economic situation, employability, and societal stability.
The External World is inherently unpredictable and fluctuating. It provides the context, the stressors, and the resources that an individual must navigate daily. The state of the External World can range from highly supportive and nurturing to severely negative, stressful, and harsh.
Mechanism of Constant Interaction
The core premise of this proposed theory is the concept of constant interaction. The psychological Inner World does not exist in a vacuum, nor does the External World dictate human behavior independently. Instead, the psychological Inner World constantly interacts with the External World. This continuous, reciprocal engagement is what ultimately generates the human experience. Every thought, emotion, and bodily sensation is a direct product of this ongoing synthesis between internal traits and external circumstances.
Genesis of Mental Illness
The Theory of Constant Interaction provides a clear mechanism for the development of mental disorders. Individuals with a disruptive Inner World, characterized by impulsive and neurotic traits, may live perfectly normal lives under favorable or stable external conditions. Their internal vulnerabilities remain dormant or manageable when the environment is supportive.
However, when these individuals are subjected to a stressful and harsh External World, the nature of the interaction changes drastically. The friction between a disruptive Inner World and a negative External World results in severe psychological and bodily experiences. When these distressing experiences reach a certain threshold of intensity and impairment, they are clinically categorized as mental disorders. Therefore, mental illness is not a spontaneous occurrence but the inevitable outcome of a specific, maladaptive interaction between internal vulnerabilities and external stressors.
The Multiplicity of Mental Illnesses
A common question in psychopathology is why there are so many different types of mental illnesses. The Theory of Constant Interaction addresses this by emphasizing the variations in presentation patterns. The interaction between a disruptive Inner World and a negative External World generally results in experiences characterized by anxious or depressive feelings. However, these feelings present themselves in vastly different forms and patterns.
The specific categorization of a disorder depends entirely on the patterns and duration of the presentation of these experiences. For instance, short-term, acute friction may result in panic or acute stress responses, while prolonged interaction with a harsh environment may lead to chronic depressive patterns. In some extreme cases, the psychological distress generated by this interaction becomes too overwhelming. To cope, individuals may dissociate themselves from reality, resulting in psychotic experiences and psychotic symptoms. Furthermore, it is crucial to recognize that not all people with a similarly disruptive Inner World will develop a mental illness when interacting with a similarly disruptive External World. Human beings are not static entities. Individuals model and reshape their Inner World through ongoing experiences, individual values, and beliefs that change over time. Basically, everything interacts with everything. This high level of complex, continuous modification means that the constant interaction results in a highly unique, idiosyncratic experience for every single person. At one point, some disruptions become severe, individuals may develop disruptive psychological experiences that appear to be irreversible or only be partially reversible.
Treatment Implications
The Theory of Constant Interaction also provides a structured framework for therapeutic intervention. Because mental illness is the result of a maladaptive interaction, treatment must focus on altering the components of this interaction, specifically by modifying the Inner World.
The primary phase of treatment involves developing awareness and educating the individual about their past. By understanding how early childhood development shaped their core thinking and behavior patterns, individuals can begin to recognize their unhelpful thinking patterns and unhelpful behaviors.
Once this awareness is established, the therapeutic focus shifts to changing these unhelpful thoughts and behaviors into helpful ones. A key mechanism for this change is the constant monitoring of the present experience. Individuals are taught to approach their daily interactions with acceptance and non-reaction. Non-reaction and acceptance are critical examples of psychological change. When an individual stops reacting impulsively to a harsh External World and instead observes it with mindful acceptance, they alter the nature of the constant interaction.
Ultimately, once a person develops a profound awareness of their Inner World, they gain the agency to bring about intentional changes in their thoughts and behaviors. By altering the internal side of the equation, the individual guarantees a newer outcome from the newer interaction, thereby alleviating the psychological and bodily experiences associated with mental illness. When this interaction disrupts the biological mechanism (that of course includes neural mechanisms), biological-medical interventions are indicated.
A 16-year-old boy, who was my friend's son, died by suicide. The first reactions I heard from people around him were, “Kasto buddhi, maya pani lagdaina hau yesto manche ko,” and “Achel ko kta kti, sano kei hunu hudaina, suicide garihalne.” People immediately had their own explanations and judgments. Nobody seemed interested in asking what that child might have been going through before reaching that point.
Just a couple of weeks later, a relative of mine, a very pleasant woman, also died by suicide. Her daughter had only recently entered her teenage years. Again, the conversations around her were about how she could leave such a young child, how an educated person could do something like that, and what kind of thinking she must have had.
But where is the discussion about the years before that moment? The trauma? The loneliness? The family that was unable or unwilling to support her? When she went to her paternal home, she wasn't even accepted there. She was told to tolerate it, to endure it, that things would eventually become okay. Nobody seemed willing to ask what she actually needed.
This is what I struggle with when I read theories about mental health. We talk so much about the Inner World, changing thoughts, changing behaviours, acceptance, non-reaction and learning to respond differently. But what happens when the External World is not simply “stressful,” but genuinely cruel?
We see the same thing everywhere. A girl wears revealing clothes and people ask, “Yesto k lagayeko?” We teach the girl how to dress, how to behave and how to protect herself, but how often do we teach people not to objectify her or make her unsafe? We keep correcting the person who is being harmed instead of questioning the person causing the harm.
I know a woman who is trying to leave a life she entered because she wanted to study and build a better future. She now wants to live a normal life, but society refuses to accept her. People don't want to be close to her. She is judged for her past, even though that past was connected to circumstances she was trying to survive. If society keeps pushing someone back into the same corner and then blames them for returning there, what exactly are we asking that person to change inside themselves?
This is where I feel the reality is much more complicated than the theory.
Sometimes a person knows exactly what they are supposed to do. They know they should change their thoughts. They know they should regulate their emotions. They understand the theory. They may even understand themselves very well. But understanding does not automatically give someone the power to change their circumstances.
A person cannot always change an unsupportive family. They cannot simply acceptance their way out of abuse, poverty, rejection, stigma, discrimination or loneliness. They cannot always control what other people do to them.
And this is where I think suicide prevention needs to go beyond teaching theories to the person who is suffering. After the session ends, what happens to that person when they return to the same family, the same relationship, the same community and the same social judgment?
Talking about suicide prevention is important. But prevention cannot mean only teaching people how to cope with their internal world. Sometimes prevention also means changing the external world that is continuously breaking that person down.
Theory can explain a lot. Therapy can help a lot. Awareness can help a lot. But the reality of some people's lives is far more complicated than what can be explained inside a therapy room.
The people who suffer are often the ones who understand this reality best, because they are the ones who have to live it every day.
I don't say this as an excuse for suicide. I say it because I think we need to stop judging the person who reached that point and start asking what happened to them long before that final moment.
The victim should not become the victim again after they are gone.
Perhaps true prevention is not only helping people build a stronger Inner World. Perhaps it is also making the External World a place where people don't have to be strong all the time just to survive.