your boyfriend has been cold towards you and y I u don't know why, you were asking yourself why he's been like that or did you do something wrong

But suddenly one day...you are in the library and your boyfriend appears next to you, while you are about to grab a book, you look at him and could see the seriousness in his face and he starts talking in serious/cold tone.

let's break up.

you got shocked by what he said and didn't expect him to say that