And if any of the bullies from the past does come back to you to bully you, either completely ignore him. Ignoring can be pretty hard, so a second option is to just hit him back in the face (a few times). Both these options will stop bullies from bullying, second option does can get yourself into trouble tho(got experience with it). Most important to keep in mind tho: Stay yourself, don't act like someone else because others want you to. There are enough other people to be friends with, don't search for them, they will just be there at some moment. Do what you want, fuck what others think and life live to the max! I hope this might help you in any way, the best luck wished from me! I've been in a similar position as you described, but less extreme.