I'm worried that my rabbits will break up?

So I have 2 pet bunnies and I love them so much and they are my favorite couple ever. But today I was thinking: what if they broke up? They share a cage, so it would be really awkward. I'm worried because he is always pulling fur from her head and she puts up with it, but what if one day she doesn't and they break up? I was a mess when my favorite human couple, Zanessa divorced, so I don't know what to do if my bunnies end their courtship.