Nothing, she's already been told twice.
A: When they even put their ear up to the bathroom keyhole.
I always loved this one: (works better said out loud of course) What do you call a fish with no eyes ... A FSHHH
A lesbian with a hard on.
One... but, what does it matter if she will ask a man to do it !
Because telling them once wasn't enough.
Nothing, he's been told twice already. (And be cool, if you get the reference keep quiet and let em wonder.)