This is messed up on way too many levels.
go you if shes good keep on truckin
Just make sure that you pull out
i hope you get them both pregnant, then the kids will be cousins and siblings, and you will all get a free trip to the jerry springer show.
sounds like it was real good you make me want to fuck her
I have also had sex with my sister in law, she came on to me first...
You make me sick, I hope the sister in law gives you the drip.