6. They come on too strong and too fast.
Emotional manipulators also often try to make others feel like they are the only ones in the world. This is a very effective technique. This is just a way to get them to talk easily and tell you their secrets. Keep your ears and eyes open for people who act too sure of themselves before they know you well. This is a good sign that this is happening to you. This could be a clear sign that they are looking into your private life to use it against you in the future.