Questions for You:
1) Do you talk to a therapist?
2) Do you have any friends that you trust? If so, spend time with them.
3) Does your family care about you? If so, visit them, or call them, right now.
4) Do you cut yourself? If so, think about why you do, and concentrate on the pain it causes you. You don't deserve to put yourself in any more pain than what you're already suffering.
5) Is there anything that you like doing? If so, spend some time doing it. If not, try new things.

Things to Try
6) Take a quiet walk outside
7) Go to the mall and give people compliments
8) Take photos of beautiful things, and hang them in your room
9) Gather some wild flowers for yourself
10) Write thank-you letters

I'm sorry if this irrelevant or doesn't help