Eeeee! That sucks! I helped shoot a wedding once where the only time the bride smiled the entire night was when she was flirting with the best man. I don't think they made it either.
I feel very lucky and fortunate that my wife and I seem to be happier and more in love as time goes by. And it's been many years :D
Sure, it's not perfect every day but much like a blue chip stock that always goes up despite upturns and downturns.