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I actually need some fanfic, where Bruce and Jason are in the middle of some argument, and a casual (and a well-practiced with Dick before) sentence leaves his mouth, something along the lines "How old do you think you are?!", meaning that he is acting childishly. And because Jason is irritated, and his tongue runs loose in his anger, he screams back that he is nineteen, and Bruce just freezes, because... Oh. Jason is nineteen. He is a fucking kid - his kid - that lost years of his teenhood, and was forced back without anyone giving him a space to catch up, with everyone else already treating him like an adult... When he isn't.