I've been spending my days on like mental health themed forums trying to convince other depressed and possibly suicidal people that they've got a lot to live for.
These words of support you're supplying to other people, do you not believe you can apply the same advice to yourself?
I bet you're setting this groundwork for other people but not making your own foundation from it. It makes you feel good helping other people, and whilst that's swell and shit, a more fulfilling venture would be sitting yourself down and conforming to your own guidance.