Bonzo..............
you know what happens when you make me cross....
Well, I know I would be terribly saddened if they split up. It would be lovely if everything continued towards the happy marriage and children scenario, BUT I do know how difficult things can be in real life.
I would be sad, but if it wasn't right for both of them anymore, I would feel it shouldn't continue just for the sake of it.
Having said all that, bio-rythyms apart, I do think they are very well suited. I hope it works.