Ive been cutting myself? and am i emotionally stressed?

Just chill out a little bit is essentially the best answer. All of these problems can lay a lot of stress on a person... Just keep facing the future and forget what other people say. Also, for the average person of your age, most of your hormones are just a little out of whack, which can make a person feel terrible. Just remember, someday, this will all get better for you. =)