Why deja-vu is a dangerous thing

When something makes his new deputy seize up like only true love can, John Stilinski is prepared tease the ever-living hell out of him. He’s prepared to look up and see some pretty girl with a bit of an edge, with a loud laugh and a bright smile that could coax even his sullen deputy out of his frown.

What he’s not prepared for is to look up and see a very familiar face ambling towards his desk.