i understand how you feel. Getting over someone you love can be one of the hardest things to do. what helped me is time, hanging out with some of my closest friends, and trying not to talk/text to your ex. Dont make yourself sad by listening to your old songs or thinking about the good times, that only makes it worse. call up your girlfriends tonight and go out and embrace youre being single, girl!
The fastest way to get over someone you love is by hanging out with fun friends. This way you won't get the time to be grieving since you will be up having lots of fun. You should also get new hobbies and date other people. Get more tips at http://www.ehow.com/how_5797562_over-someone-loved.html.
Do things you two used to do together. But do them alone. And eventually you should get used to doing things without him. If you just avoid everything that reminds you of him then you will prolong your recovery. If you do things the two of you used to do together then you will realize you will be fine on your own.