Marriage: Seven Principles of Making Marriage Work [Megan Coulter] on Amazon.com. *FREE* shipping on qualifying offers. Marriage - Seven Principles of Making Marriage Work Marriage is a long journey, which needs both partners to be committed 100%. There are so many things that we will need to experience in marriage on our own before we can get the understanding of marriage in reality. A lot of times we are told that arguments in marriages are bad. Sometimes the quarrels that take place are about trivial things such as where to put the laundry basket