"You're not a watcher," Ianto laughed, hands stroking down Abby's sides and then holding her close so that as he wiggled against the insistent piece of Jack the motion was shared. "But you're not on the list to come in, either. Wait your turn."
Of course, as soon as he finished refuting Jack he leaned back down, thrusting harding into Abby and kissing her fervently as he left his rear dancing in front of Jack teasingly.