In Dissociative Identity Disorder (DID), alters are distinct personality states that coexist within the same individual. Each alter can have its own unique thoughts, emotions, and behaviors. It is indeed possible for one of the alters to develop feelings of love or attraction towards the person's boyfriend or girlfriend.
Because alters can have different identities and emotional experiences, they may form attachments and develop feelings towards others independently. This can be a complex and challenging situation for the person with DID to navigate, as the different alters may have conflicting emotions or desires.
When one alter in a person with DID develops romantic feelings towards the person's partner, it can lead to internal conflicts within the individual. It's essential for the person to work with a qualified mental health professional experienced in treating dissociative disorders to address these dynamics.
Therapy for DID often focuses on promoting internal communication, cooperation, and understanding among the alters. This process can help address any conflicts and find healthier ways for the alters to express their feelings and emotions, while also respecting the person's boundaries and maintaining the stability of their external relationships.
Additionally, therapy can also address any attachment issues, traumas, or relational patterns that might be contributing to the alters' emotions and experiences. With appropriate therapeutic support, individuals with DID can work towards integrating their alters' experiences and developing healthier ways to manage relationships and emotional attachments.