When you’re talking about interpersonal behavior, people’s common sense gets fuzzy and opaque. They lose sight of their true mission in life. They have trouble identifying or accepting the behavior that’s holding them back. They don’t know how to choose a strategy to fix the problem. And they often pick the wrong thing to fix. In other words, they stack the deck against themselves. The following seven rules will help you get a better handle on the process of change. If you obey them, you’ll be stacking the deck in your favor.