Incest

Someone on /b/ keeps claiming that we have genes that prevent us from being attacted to our siblings. How true is this? I for example find my sister extremely hot. I masturbate to her pictures all the time and would fuck her without a though given the chance.

>>1
There are no genes to prevent that, there is social conditioning and religious bullshit. If one gets rid of all that, one finds sisters are usually cute and hot (and they are, well, familiar :) ). There's nothing wrong with having sexual desires (or realizing them) with sisters, as long as you're protected. It can bring a new, wonderful relationship between you and your beloved sister. I'm sure deep inside she feels honored you have these kinds of thoughts towards her.