ahh, if he's in the market for a best friend then nadine could easily swing that? they're eerily similar and she also went to usc funnily enough so i feel like she would've followed him out of comfort/familiarity. nadine's also a big goofball with a lot of energy, she's overly optimistic and wears her heart on her sleeve because she's one of those with the "life's too short" mindsets. i tend to see her as an odd mix of jess from new girl and rory gilmore because she's intelligent and well put together - on most days - but she also embraces her weirdness. he probably would be one of the only ones to ever see her vulnerable because she likes to act as though she's invincible/nothing bothers her but she's fairly sensitive which not a lot people know. now i'm rambling. but she'd likely be very used to his flakiness and not be as bothered by it though i'm sure she gives him a hard time about it from time to time just because she can.