How do you cheer up after getting cheated on and then broken up with?

http://www.reddit.com/r/relationships/comments/vi0yj/ive_been_cheated_on_again_what_do/

I need to know how to cheer up. I can't go on feeling like this. I have no money and no one around. All of my friends are either on vacation or away for other reasons. What can I do to cheer up?