What do I do? What can I do?

Im a guy and i first really really liked this one girl from gaming so much and she know that i liked her so i said i love you then she said i love you to but as a friend it kind of broke my heart so i said fine friends i guess then latter on about 2 or 6 weeks latter i found out she got a boyfriend and i hear them both in a chat room do to gaming he was talking lovely dovey and she was giggle but it made me feel sick at my stomach what do I do in this situation
What do I do? What can I do?
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