Hello sadsack: I see this is your first post here on PC. So... welcome to PsychCentral!

I'm sorry you are feeling so desperate.

Hopefully coming here to PC can be a source of support & comfort for you. Just keep posting, & replying to other members' posts, & you will find many other members with whom you will be able to share your experiences & your concerns.
Here are links to 8 articles, from PsychCentral's archives, that offer tips for managing depression, the first by our host Dr. John Grohol, Psy.D. Hopefully some of the suggestions in these articles can be of some help:
Living with Depression: A Guide for Coping with Depressive Feelings
In-Depth: Living with Depression
10 Things I Do Every Day to Beat Depression
What to Do on the Bad Days of Depression
9 Ways to Take Care of Yourself When You Have Depression
https://psychcentral.com/blog/5-tips...of-depression/
https://psychcentral.com/blog/5-more...dium=popular17
https://psychcentral.com/blog/tips-f...dium=popular17
I hope you find PC to be of benefit.