I think that you should use the 48 hour rule here. Don't do anything that you might regret without thinking it thoroughly through. A couple beers and a girl that might have been hitting on you doesn't seem like it was the best time to be making life changing decisions...
Just my $.02 B
Me: 29 W: 28 T: 10 M: 7 No kids 2 Dogs and 1 Cat With Parents: 09/16/07 Apartment: 10/13/07 Back Home: ~2/16/2008