Jim's lips parted, closed. His expression was one of pure shock, even though the cock in Sam's hand was hard. He swallowed visibly, for the first time actually looking completely unsure about something involving sex. His hands dropped, nails digging into the shuttle's floor.

What the hell were they doing? He was supposed to be pissed at Sam! Was Sam... WHY was Sam doing this? He didn't move. Jim didn't even breathe. It was all written clear on his face - scared, horny, confused, surprised.