Julia Whelan is my Joker (2019) 
Everything narrated by her becomes so elevated ahhh, so idk if it's just her, but I loved this. Emily Henry seems to have matured o much as a writer for this one, incredible themes, character development, and really nice vibes-so much better than Book Lovers in my op. Weirdly related to the fmc so much, prompted some self-reflection lol. However i wishhhh it wasn't tied up as neatly as it was.. could've been so much more powerful.