I know they know more about depression than I do. But I also know people who are actually clinically depressed and never asked for help. They got help but it wasn't their choice. They got help after a failed suicide attempt.
I'm not saying I know more about depression; there's a lot of things about depression I don't know. But there are also a lot of things about depression you don't know. You should give this link a read: http://studentsagainstdepression.org/get-support/building-support-networks/whats-stopping-you-getting-help/