The problem was that Hermione didn’t hate her. There was no reason to. She and Ron had been split for almost a decade now, and he and Lavender were perfect together; thank Merlin for small favors, they’d left the Lav Lav and Won Won business back at Hogwarts where it belonged. And, despite the years between their breakup and Ron’s first post-Hogwarts date with Lavender, he’d still spoken to Hermione about it first.