buy a scotch and soda magnetic coin trick set.... (google it).... and then you approach her and u say :" hi, i really need to show you something i dont understand myself"... then you taker her rigth hand, place the two coins in her palm, you her index finger of the other and... and then you guide her index finger such that the 1st coin goes into the second coin.... then you are left off with 1 single coin and she will be like: "wtf, how did you do that...? do that again...." and then you respond with something like: "i am not your personal magican... invite me to dinner first
"works for me if i have nothing better to say...
good gaming