lovely nostalgia
It's a feeling you get when you can't stop thinking about the good times with your ex no matter how fucked up they treated you, you want to hate them but those sweet memories won't let you.
Guy 1 :why do you not hate your ex? She cheated on you bro
Guy 2: I want to hate her but the good times we had won't let me, I'm stuck with this lovely nostalgia.
Guy 2: I want to hate her but the good times we had won't let me, I'm stuck with this lovely nostalgia.