Don't ever feel worthless.
You are lucky to have "shoulders" around you, where chores ect can fall on.
I know, that you don't remember why you were taken off the plaq, but maybe that is the reason that you feel so bad.
Hopefully being back on the plaq, will put you in a better place and make you feel much better.
I am glad, that you say, that you won't give up.
Come here and talk to us, we are here to pick each other up and give each other advise, or just listen if you have to vent.
I may have been dealt a bad hand, but at least I'm still playing with a full deck. ( most of the time anyway).