Conflict can and should be handled constructively; when it is, relationships benefit. Conflict avoidance is *not* the hallmark of a good relationship. On the contrary, it is a symptom of serious problems and of poor communication.
If you are an approval addict, your behaviour is as easy to control as that of any other junkie. All a manipulator need do is a simple two-step process: Give you what you crave, and then threaten to take it away. Every drug dealer in the world plays this game.