Dang, dog. Just tell your girl "I'm not a player, I just crush a lot."
OT: Here's the dealie - if you lie, it will come back to haunt you. If you tell the truth, she'll bail.
I recommend listening to Usher's song "Confessions Part 1, Part 2 and the Remix" for help.
The 11th Commandment: Thou shalt not get caught.