The minute I walked into the room I felt the cold, even though the room was 74 degrees. What did I do to make you hate me?
Not that I would take back anything I did, because I'm 99% sure that it is nothing but your crappy personality that is making you miserable. But you shouldn't act like a bitch to the only few people who were really there for you last year.
I hope you get over this, because you will be very lonely if you don't. I'm not saying you need to change who you are, you just need to learn to compromise and be nice to people sometimes.
And you need to learn to accept it when you're wrong.