"Oh," Terry said, blushing again from embarrassment. "I just thought...you're awfully touchy, for friends." And he was sure there had been foot nudging going on under the table. The tables were small, after all, so things didn't always go unnoticed.
Then she qualified with a 'with benefits' and it made more sense to Terry. He was still confused though, but he decided to not worry about it at all. "I understand," he said, though he really didn't. Friends with benefits wasn't something he ever thought he'd understand.