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.

Is there any way you can find out what his pain is coming from? Mutual friends?
Just wait and find out more. The story sounds very cloak and dagger. Wait till you've got the full story before you decide what to do.