Is there a possibility she is close to orgasm and gets the feeling she needs to pee and is afraid to let go due to potential embarassment? I've read it discussed here before-so just sending another theory out there. good luck
https://www.youtube.com/watch?v=5Ur2er-STls"]YouTube - Diamonds... she'll pretty much have to Stay Brown, Rev J
meh how so? sometimes ill make a girl cum, but not orgasm? i think its a more emotional thing with the women.