We live in a world where we are called to stand up for ourselves and only do what makes us happy in the moment. If what we have committed to no longer fulfills us, we can freely give it up.  In the same way, the world sees marriage as this arbitrary concept that has no binding on our lives. The Christian, on the other hand, has a guide and authority on how we are to live our lives, and that is, the word of God. We are not to follow the standards of the world and the culture...