On the too much side, we all know more and more about how other people's marriages seem to be. Golly look at the skeletons in this closet. Maybe it just doesn't matter. If the institution of marriage is failing under the weight of its own apparent record of mediocrity, let it go. It depends I suppose upon what it is that it is supposed to accomplish.
Marriage is an opportunity to experience profound personal growth.
Of what relevance is any of us outside the context of relationship. I have no inherent meaning and make no contribution to others outside of the context of my relationship with others. This is one vehicle where there is no place to hide. Your significant other will let you know exactly how you are occuring to him or her and our first strategy is to make him or her wrong. You don't know what you are talking about.