Jemma liked her codependent Scotsman as he was. There was only one point in his life Jemma wanted changed.

That was her fault. Did this man know?

She picked up immediately on a couple of discrepancies. "I remember the sweets, but that man must've must've been the same age as you, and at Uni, no one there had the name Harkness." She said it like it was some sort of Eureka moment. Liked she caught him in a falsehood. Little did she know.

One other point, "and you know that sounds the tiniest bit creepy? I've been with you a long time." She tried to laugh it off. She didn't do very well.