Originally Posted by Rob

Never fucked a family member. I have all brothers anyway.

I did see a brother and sister fuck each other in a nightclub once. I was completely fucking floored! They were drunk as shit, and to make it worse, fraternal twins. First they started dancing. Then they started kissing. Then he started finger banging her. Then he pulled down her pants, bent her over, and drove it home. Right there on the dance floor. I was grossed out, but in awe at the same time.

We were there with a bunch of work friends, and no one ever spoke of it ever again. They're both friend of mine on FB, and she recently got married.