There are a few things that can be done to help someone with borderline personality disorder. Firstly, it is important to understand that the person may not always be able to control their actions or emotions, and it is important to be patient and understanding. Secondly, it is important to create a stable and supportive environment for the person, which can help to reduce feelings of anxiety or depression. Finally, it may be helpful to seek professional help from a therapist, psychologist, or counselor who specializes in borderline personality disorder.