You're a very fortunate man indeed. Never having been married, I envy you ...
Well, I would be the first to point out that a bad marriage is a far worse situation than never having been married. There is a certain amount of dumb luck involved in finding a mate, and a fair amount of dumb luck required to keep a marriage together as well.
Although, it is like many other aspects of living- you have to put something into it in order to get anything back.
Like the old story of the man and the cold stove-- "you give me some heat; I'll feed you some wood..."-- in real life, it doesn't work quite like that. A fair amount of thought and effort are required to stoke a relationship.
However, in the somewhat unlikely event that I survive Mrs. B, I might be inclined to swear off women and stick with a good dog.