God what is wrong with me? Between the sleeping together and everything else, I think my brain was becoming sex obsessed and the only target, apparently, was my own sibling.

I forced myself to stop fantasizing and laid down on my towel to sun. Marissa lay down next to me. Her brown hair flitted lightly in the wind.

"You're getting nice and bronzed," my cousin said, idly. So quiet I wasn't sure if she was even talking to me. "It looks good with your blonde hair. Like you're a California girl or something."

"You're way tanner than me," I said, "It goes good with your dark coloring."

Like I said,...