He'll remember who she is, but will have the damnedest time trying to recall her name. And since he uses it all the time when he grumps at her, this'd be very noticeable. And he will be rather cranky about forgetting something so simple -- and really, forgetting a friend's name? What the hell?

Something else he'll be forgetting: his way around the city. He won't remember how to find . . . pretty much any place. In spite of being here for over a year and working a job in delivery. He's going to be a little paranoid that someone has messed with his head and start second-guessing his perceptions.