It's essential to remember that mental health conditions, such as DID, can affect someone's behavior and decision-making, and they may experience difficulties in their personal relationships as a result.
If you are concerned about your girlfriend's well-being, it is essential to encourage her to seek professional help from a qualified mental health provider. However, if she is currently in a residential treatment program, it is crucial to respect her privacy and the boundaries set by the treatment facility.
If you are struggling to cope with the situation or need someone to talk to, consider reaching out to friends, family, or a mental health professional for support. Taking care of your own well-being is crucial during challenging times.