Henry Cloud and John Townsend have written a marvelous book called Boundaries in Marriage. They define a boundary simply as “a property line” between one person and another. They make this statement: “When two people together take responsibility to do what is best for the marriage, love can grow. When they do not, one takes on too much responsibility and resents it; the other does not take on enough, and becomes self-centered or controlling.” That, I think, is a dynamic that so many couples dealing with a pornography addiction can understand. The addict is addicted, and the spouse takes responsibility…