Claire stopped smiling as Ben collected their glasses and walked off to refill their drinks with Claire staring at the lump in his pants. He was still half-hard when he returned when he noticed his sister looking between his legs. There was an awkward silence as they watched the last few minutes of the movie with each of them stealing glances at the other but not saying anything. Claire's pussy was getting wet watching the movie too and having her sexy brother sitting next to her but it wasn't as obvious as Ben's excitement. Ben wanted to have sex with Claire but didn't want to ruin the evening after just...