Every relationship has a different set of dynamics, challenges, problems and rewards. This book will teach you how to spot each of these things. If there are problems it will teach you how to get to the bottom of the problems. Once you know what is causing the problem, then an adjustment needs to be made. In some cases, if the relationship is healthy it is worth making an adjustment if the other person is willing to also make an adjustment. Problems don't go away until they are dealt with. In other cases its best to just let go of the relationship. Some relationships are unhealthy. If you are dating, it's not too late to find a way to end it.
At the same time if you are in a healthy relationship it is worth making an adjustment to let it continue.