When they find the real Percival, someone mentions that they should probably tell his wife that someone's been masquerading around as her husband.

Turns out Percival has a wife that he doesn't remember, because they got married when Graves was Grindlegraves. Cue Percy trying to tell his 'wife' that he doesn't actually love her and he really has the hots for MACUSA's new consulting magizoologist.