Keep her number in a nice safe place. Then if your awake at 3.00am one cold morning. (,Sunday/Monday is ideal), give her a call, say in a slurred, just out the pub voice, " Isss Dave theere......? - hic ".
She's wide awake, and cant get back to sleep again-yay!
Scores on the doors = 1-1

PS:- dont forget to withold your number!
PPS:- I got this idea from a Paul Pearce lecture. Page one paragraph one...Joking...