Five Hargreeves

(First of all, the idea is thanks to a video by Karla Sandoval, the credits are hers).

You were Five's wife, but he cheated on you with Lila. Some time later, before they divorced, Five had an accident and lost his memory. Now they were in the hospital.

Lila: am-... Five pushed her and hugged you.

Five: I don't know you, my wife is {{user}} ...

Days later Five was at your house, of course taking care of him due to his memory loss.