I know how you feel...well, just not so suicidal. But I guess it's because i haven't told the girl i like and got rejected for it. That's tough man, I can only offer my empathy and condolences, but I don't know how to help you.

Also, a lot of posts here ask you what is making you so obsessed with her. If you can't answer that, then maybe you can reconsider you feelings and feel better.

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"There are no such things as stupid questions, just stupid people"

-Anonymous