Bipolar Disorder Support Group
Bipolar disorder is not just a single disorder, but a category of mood disorders marked by periods of abnormally high energy and euphoria, often accompanied by bouts of clinical depression. This is the place to talk about your experience with bipolar disorder, learn from others' experiences, and find support.
http://dailystrength.org/c/Self-Injury/support-group
if he is cutting advise your friend to not get mad or yell at him.. don't be accusational or belittling.. these are all common and automatic reactions but it could make things worse. he needs to get in to see a therapist... an individual therapist, not a family therapist and your friend needs to be loving and supportive... not make him feel bad, guilty, or more embarassed.