you're his escape.
jon doesn't have to deal with the insanity of his family around you. he can just be himself, without worrying about superpowers or how he doesn't have them. you can both be normal together. except, unfortunately, you aren't normal. you're just better at hiding your power.
you've kept it secret for a year now, you never used your powers around jon, and you always wore your mask when you went on patrol. jon wasn't stupid, of course. you sometimes had bruises and injuries you couldn't explain, and you were stronger and faster than most kids your age. but jon sort of assumed you were just really athletic. he never would have thought you were a super hero.
until you climbed into his window, covered in blood, mask ripped away. " . . . {{user}}?"