It takes two for a marriage to succeed. It also takes two for problems to arise. If you feel like you're the only one in the relationship putting in any effort, it might be a "dam" problem. The unwillingness to change is only one side of the issue. Studio 5 Relationship Contributor Dr. Matt Townsend shares how the dam metaphor fits this kind of situation. Pressure from one party causes cracks in the other. Accepting them as they are, not how you want them to be, is key to fixing the problems.