he can be pretty low key. he's a filmmaker too, so he didn't really have any annoying actor habits on that front. was always early, never hung out in his trailer, was always on set interested in the process and happy to help. i'm sure at some point she would've found him helping set up pop-up tents with PAs or like helping to restock crafty. he would've been incredibly supportive of her lady bird attention! i'm sure he was one of many people that sent her flowers when she got her oscar nomination.