Ianto's fingers twitched, but he calmed them. Jack and Hart had a history. He accepted that. He just wished Jack would stop having histories with people that wanted to kill him. They were always unpleasant people.

Made him wonder why Jack had suddenly decided to start shagging a polite, clean cut, young Welshman. He tried to calm the burgeoning jealousy.

"I need...training," he said simply. If he spoke too much he'd end up being rude, and Jack didn't need that sort of assistance. Did they really have to keep on hugging though?