What’s a reason you ended a SERIOUS relationship that everyone else thought was dumb but obviously important to you?

we didn’t like the same music AT ALL. I like hip hop and she liked country. Music is a big part of both our lives. It was a semi serious relationship but the fact we both listened to music for hours every day and disliked each others genre it was just becoming difficult. At least that’s what i tell myself. there was clearly other issues too but I thought this was a good answer haha.