Retrograde (джен)

Prompt: what about the remember me one? seen a lot of fics with peter getting amnesia but never one of tony forgetting anything? could be a nice switch to see how peter would deal with that + tony trying to figure out how he went from a wild playboy to a supposed superhero with a teenager.
Tony gets amnesia. When Peter comes to visit him in the hospital, Tony takes one look at him and immediately assumes that Peter's his son.