And most of the time it's not fair to you but them as well. Sometimes the falling out occurs over something neither one of you had control over. But blame still needs to be placed. It just differs on who places the blame first.
And when you place it first...that's the hard part.
Sometimes it ends ok though. Sometimes you work it out and you move on. Either together, or not, you move on. You put it behind you. That's when you can go running back. When you can say it's all okay and it's worth it because you love them.
But sometimes you don't go running back. Sometimes you can't go running back. Sometimes you don't know why you do it either.
Sometimes you just walk away.