It's typical to look back at the wedding day and continue to dream of that day. The groom is waiting at the altar and the bride is looking beautiful in her perfect dress.
Expectations are high and mostly we've managed to push aside points of conflict for the time being.
Wise couples though understand that problems are an inevitable part of a relationship. It's similar to understanding that physical ailments accompany aging.
We don't enjoy these ailments but we cope with them and develop strategies that enable us to deal with them.
Regarding long term commitment to another, we should understand that we are choosing a long term set of unsolvable problems with which we'll live.
Our marriage therefore is successful to the degree with which we can cope with these problems. Our marriage is also successful if we understand that not all problems can be solved.