>>1 knowing how people change, your old friends might be completely different people now and may accept you. However, you shouldn't go back to them, or at least I won't think that you should, they didn't put the effort in keeping in touch with you. I understand the difficulty of keeping up a facade, I keep one up but I can understand wanting to rid yourself of something fake, mine is somewhat genuine. You should take this chance to find a nerdy anime lover and make a long lasting good friend rather than a bunch of fake ones. Good luck~! And if you need a loud nerdy anime lover, I'm here as well :3