Yes, it is possible for an alter (alternate identity) to become the host in cases of Dissociative Identity Disorder (DID). In DID, the host is the identity that is most frequently in control of the individual's behavior and is the one that interacts with the outside world most of the time.
The role of the host can change over time in response to various internal and external factors. Sometimes, due to shifts in internal dynamics or external life circumstances, a different alter may take on the role of the host. This can happen through a process called "switching," where one alter relinquishes control, and another alter takes control of the individual's thoughts, feelings, and actions.
Switching can occur for various reasons, including:
Coping mechanisms: Different alters may have different coping strategies and abilities to handle particular situations. When a new alter becomes better equipped to handle the challenges of daily life, they may take on the role of the host.
Triggered by external events: External stressors or triggers may cause an alter to come forward to protect the system or the individual from distress.
Therapeutic work: During therapy for DID, alters may emerge, and the original host may step back or integrate with other identities, leading to a new host emerging.
System dynamics: The internal dynamics of the system can change over time, leading to shifts in which alter takes on the role of the host.
It's important to note that the process of DID and the role of alters can be highly complex and unique to each individual. The goal of therapy for individuals with DID is to promote communication, cooperation, and eventual integration among alters to work towards a more cohesive sense of self and better overall functioning. A qualified mental health professional with expertise in treating dissociative disorders can help individuals navigate this process and work towards greater stability and well-being.