haha, come out with a story to con her
e.g:
1.)after use finger poke, maybe 处女膜 got damaged
2.)if damage then not consider virgin already!
3.)now come a big problem, becos if damaged by finger 处女膜 won't be fully penetrated.
4.)if not fully penetrated, will affect future sex life as in every time she will feel pain when having sex :p
5.)tell her u truly love her and want her to enjoy it too.
6.)den u use your didi to help her fully penetrated it.
:p