You never know, everybody's different.
Sounds like an excuse to not get off the couch and try it.
Above mentioned, "gets you around people".
Mine seldom does.
Mini trampoline, kettle bells, weights, pushups, etc.
I don’t think you appreciate what severe depression is. The mood aspect is just the beginning of it. You are not going to get a catatonic, suicidal, or psychotically depressed patient to exercise. Well, maybe the suicidal patient will but he’s going to run in front of a truck.