To all of the people saying this is sad, not all relationships have to last forever.
It’s okay to get separated, even if you are married. It’s actually good to realize your differences, decide that you work better apart, and provide support to an ex-spouse emotionally while you move on with your life as well.
I think BeamNG.drive fits your request. I’m not sure how accurate the model is, but it tries to model car crashes and damage based on a bunch of factors.