>>12623322Get a short haircut since long straggly hair says 'mental', wash your face and smile at people more.
Practice looking people in the eye when you speak. Look at their nose if you have trouble making eye contact.
Chat to shop-assistants to gain confidence.
If you fuck it up, doesn't matter. Only a shop-assistant.
Practice saying 'no' to things.
Eventually, you'll feel better and life will DEFINITELY feel better.
Everything's going to get better, OP.
You can't see it now but it will.