I tend to care what goes on in other people's relationships, mainly when they cheat.
What you focus so much on other people's relationships?
I think what people choose to do with their life is a big deal.
It is none of your business what other people do and being preoccupied with others lives is bad. Curiosity of other's lives leads to neglect of your own life.
I think it's none of my business what to do in my life. Besides, I choose to be concerned about others.
I understand that your choice, but mentally I don't see this helping you out at all. I would recommend occupying your mind with something else that would benefit you.