Brandon, listen to me. She's NOT your girlfriend; she's just playing you; she already has a boyfriend. You won't have anyone for Valentine's Day, even if you "stay with her". If you don't want to be alone on Saturday, stay here on the forums or go in the chat room and hang out with us for V Day.
You put on your profile that you're trying to follow Jesus. Well, now's the time to make good on that assertion ... I could list the Bible verses that apply here, but do you need them? Time to make a decision, buddy. I'm praying for you right now as I type this. "Jesus, please help him. Show him how much You love him and want him to feel truly loved; the love that we feel when we follow you. The peace that passes all understanding, please give that to Brandon now, Sir. Flood him with peace now. In Your name, amen."