Hello and welcome to PC!

I'm sorry, but I also don't have any advice to offer for your situation. I'm glad to hear that you are in a support group. I think that will help you feel less alone (but maybe not help with the loneliness as much...). Making new friends is always difficult. I'm sorry your insecurities are becoming uncontrollable. The only thing I can suggest is writing out your negative thoughts, realizing that they are irrational (as you know they are) and then write positive statements to counteract the negative ones. An example might be... "My friend cares more about others than me" would be turned into "I know that is not true. I am very special to him. We are very good friends." I know it sounds a little silly, but if you keep repeating the positives to yourself, it might help you stop thinking about the negatives so much.

Good luck! I'm glad you found us here!