Book recommendations about a boy you never dated/situationships, when he doesn’t choose you

[Erin]

Similar books to Call it What you Want
Long term situationships, he was never your boyfriend
Why couldn’t he just leave me alone instead of leading me on, getting me attached just to start dating another girl
When they know they don’t want to date you, but they can’t let leave you alone/let you go
When he doesn’t choose you