Some of the darkest sources have given us some of the most compelling evidence and information on being able to control other people. From looking at narcissists to looking at the dark personality types, there is plenty of information to be gained through watching how they interact with others. On the other hand, there is much to be gained from learning how to maintain one’s mindset as well. You can learn all about emotional intelligence, how to self-regulate, and how you can better yourself. All of these subjects have one common theme—psychology.