Virginity test?
*Son*: _Dad,I want to marry how can I know if my wife is a virgin_?
*Dad*: _Do virginity test_..
*Son*: _What do you mean_
*Dad*: _Buy a red and blue paint_
*Son*: _How can that help_?
*Dad*: _Paint your left ball with the blue paint,and your right ball with the red paint, when you want to have sex_ _remove_
_your underwear_;
If she says_ , _I have never seen_ _strange balls like this in my life_, _that mean she's not a Virgin_..
_Case closed_"