Joh It also can be both develop in different directions and it doesn't match any more.
I wonder how often it happens that people grow in different directions that are truly incompatible. I think a lot of people (at least people I've known) want their spouse to be their bff and get disappointed when that doesn't happen.
I think more marriages would last if people thought that it's okay for him to like golf if you don't, and it's okay for you to like scrapbooking if he doesn't.