Pepper/Tony, Maria/Tony, Bruce/Tony
who cooks normally?: Pepper likes to cook, sometimes at a special night she makes dinner. But since they both are out most of the day, they prefer to go to italian restaurants.
how often do they fight?: 95% of the time.
what do they do when they’re away from each other?: Pepper spends time with her acquaintances or at Stark Tower. Tony spends most of his time on the garage.
nicknames for each other?: They don't have any.
who is more likely to pay for dinner?: Tony, that's not even a question.
who steals the covers at night?: Tony lets Pepper take them.
what would they get each other for gifts?: I have no idea, it could be something meaninful and simple or something quite unusual.
who kissed who first?: Tony did it, at that roof.
who made the first move?: Tony, he had been in love with her for a while so he tried to surprise her form time to time.
who remembers things?: Pepper, always Pepper.
who started the relationship?: They both agreed it was time to go for it.
who cusses more?: Tony but Pepper isn't too far from him.
what would they do if the other one was hurt?: Pepper would shout and worry too much, and Tony would do everything that's necessary to make her feel better.
who cooks normally?: None, they spend too much time on the lab so they order fast food.
how often do they fight?: Not too often, but when they do it, it's about small things, like the disorder Tony makes.
what do they do when they’re away from each other?: Tony is the one who goes out more often, parties, business, meetings... Bruce likes to spend time on the lab.
nicknames for each other?: Brucey, Big Guy for Bruce and Crazy Mofo for Tony.
who is more likely to pay for dinner?: Tony again.
who steals the covers at night?: They both fight for them while sleeping.
what would they get each other for gifts?: Something related to science maybe.
who kissed who first?: Tony!
who made the first move?: Tony did it but Bruce had already sent him some signs.
who remembers things?: Bruce is better than Tony doing that, but a lot of things escape from him too.
who started the relationship?: Neither of them are sure.
who cusses more?: Tony, obviously.
what would they do if the other one was hurt?: Tony would try to find a way to make Bruce feel better, Bruce would care but at the same time he may be afraid of it, so he'll try to give Tony excuses to run away.
who cooks normally?: They don't do it, that's for sure.
how often do they fight?: They just fought one time when they broke up.
what do they do when they’re away from each other?: They both work. Sometimes they send playful text messages to each other.
nicknames for each other?: She calls him Nightlight.
who is more likely to pay for dinner?: Tony, always Tony. He wouldn't let her pay.
who steals the covers at night?: They sleep cuddled so they can share them well.
what would they get each other for gifts?: Tony tries to buy expensive things since he isn't sure about it. And she does more romantic things.
who kissed who first?: Tony kissed her first.
who made the first move?: Probably Tony, he started to show up at S.H.I.E.L.D. facilities too often just to see her.
who remembers things?: They complement each other.
who started the relationship?: Excellent question.
who cusses more?: Tony, maybe...
what would they do if the other one was hurt?: They would stay at the other's side the whole time.