Jack considered the question as he studied their linked fingers. It was taking all his willpower not to start things up again but he knew they needed a break.
"Pretty much the same way it does for animals," Jack finally admitted, "only I can control it by giving into smaller urges when the needs are lesser, flirting, blow jobs that kind of thing. This is only the second time it was full blown...the first was with John just after we joined the Time Agency I didn't understand what was happening to me because my mother died before she could explain it to me."
He swallowed hard. "It got me into some major trouble because I didn't understand....something I've only hinted at before."