she definitely could have met and started dating his brother at nyu. i was thinking that his brother is the polar opposite of her when it comes to personality, more wild and outgoing. it would have been what attracted her to him in the beginning, because she often wishes she was more like that. but then later in the relationship, she was probably hoping he'd settle down a bit, especially after they got engaged, and he didn't and that probably gave her a lot of reservations about their marriage. i don't think she'd be the type to leave someone the day of their wedding, but i could definitely see her doing it pretty close to the day of. maybe 2 or 3 weeks before, so most of the planning would have already been done. she struggles with talking about her feelings, but the whole charming/gentle part of marty probably made her more comfortable to talk to him about all of it. are you good with his brother being closer to her age (she's 25, btw)? because i feel like the fact that marty is older and more stable (having a career and all that) probably had a big factor in her developing any sort of attraction to him