... by the grace of god, had seen her undressing. First he saw her back, then he saw her waist, her slender waist, then he saw her perfect ass and finally he saw her legs. For him, it was all happening in slow-mo. He hadn't even intended to watch her strip, because he only wanted to scare her. But as he found himself getting into it, his thoughts of an Omnitrix prank were thrown away and replaced by an erection.
Her bathing suit though, that was new. The silver bathing suit made her look even better. It accentuated her curves. It was only then that he realized that somehow, in the space of ten minutes, he was looking at his dork-of-a-cousin, his hot dork-of-a-cousin, in an entirely different light. And it made him feel good. Did that mean he loved her? It couldn't, could it? But he couldn't deny what he was feeling. There was no real way out of it. She was making him hard…and he liked it.
He snapped back to reality and made a decision. He needed to jack off. He got out of the bed quietly and, quietly, he made a break for the door. Not realizing for one moment that his cousin, Gwen, was not in her bed.
He found a nice and quiet spot and sat down; this was a spot where he could wank in peace. Wank about his cousin. Ben listened around for a second, to make sure that no-one was in the vicinity, and then un-buttone...