Depression Support Group
Depression is a real and debilitating condition that is often misunderstood by family and friends. Its meaning can range from a prolonged period of sadness to an actual mental illness with specific symptoms. Find and share experiences with others who are going through the same struggles.
As for the friend, I would not tell her to jump in a lake, but I would point out to her that she tends to break plans at the last minute and that is a problem for you.