All except 3 & Better than "Learn from the mistakes of others." Better than "There is no 'We'. you (individually) have NOTHING to do with their success or failure" Solid advice - I love this. (Hate the typos, though.
Many different things can cause depression and each leaves its own mark; understand that you are human and need to address the things that happen to you in order to maintain a healthy state of mind. Life throws all kinds of things at