Yes, it is possible for someone with borderline personality disorder (BPD) to live with someone else without that person knowing about their disorder. Individuals with BPD, like anyone else, can choose to keep their mental health condition private for various reasons.
There are several reasons why a person with BPD might not disclose their diagnosis:
Stigma and judgment: Mental health conditions, including BPD, can still carry a significant stigma. Some individuals may fear judgment or discrimination if they reveal their diagnosis, leading them to keep it private.
Personal choice: Mental health is a deeply personal matter, and individuals have the right to decide whom they share their diagnosis with. Some people may choose to keep their BPD diagnosis private to protect their emotional boundaries and maintain a sense of autonomy.
Previous negative experiences: Past experiences of disclosing mental health conditions and receiving negative reactions or unsupportive responses might discourage someone from sharing their diagnosis with others.
Fear of affecting relationships: The person with BPD might worry that disclosing their diagnosis could negatively impact their relationship with the other person, either due to misunderstandings about the disorder or fear of being treated differently.
Functioning and coping: Some individuals with BPD may have developed effective coping mechanisms and strategies to manage their symptoms, allowing them to live relatively normally without others being aware of their diagnosis.
It's important to note that living with a mental health condition without disclosing it can be challenging, especially if the person faces triggers or difficult emotions. Having a support system and access to therapy or treatment can be crucial in managing the symptoms and overall well-being.
If you suspect that someone you are living with may have BPD or any other mental health condition, it's essential to approach the situation with empathy, compassion, and understanding. Respect their boundaries and privacy while being open to providing support if they choose to confide in you. Encourage them to seek professional help if they express a need for it. Ultimately, mental health conditions should be approached with sensitivity and without judgment.