I cheated on my Girlfriend, What to do about it?
Ok lets go through the run down of what happened. I was at my friends house for a small party and during the night I became rather drunk and player some strip poker (which I won but that's not important really) after which a girl at the party and myself started flirting and stuff. Now the bad part of this is that I have a girlfriend (relationship is a few weeks long). Now when I'm drunk I like to wrestle and I started wrestling with this girl who was half naked and everything would have been all right up to this point (cuz I had told my girlfriend that I was going to a party and would being playing strip poker and some stuff might happen) However then things went overboard and a part of me started to tell me that I could do what I wanted with this girl (yea by a part of me basically look at it as a double personality seeing how that's it's equivalent) So anyway I ended up having sex with this girl who I found out likes me (kinda duh, why would she have sex with me if she didn't) and now I'm confused on what to do. Oh and its only been about 3 days since I cheated and me and my girlfriend will be seeing each other tomorrow.
I see my options as this:
1) I can come out and tell my girlfriend and ruin her life (No understatement like DEMOLISH her life)
2) I can completely Lie to her and get the people who know to be quiet (they are all good friends)
3) I can tell part of the truth that suggests that something happened without saying it happened and as such not lie but not tell her I cheated thus not destroying her life
Then again I may be missing something other then the fact I'm an idiot who cheated on someone who is very serious about him. Any suggestions?