They are among us and do not come out at night to live off the blood of others. It can be your lol, a friend, or your spouse. They are toxic and manipulative people who absorb your life force and leave you emotionally exhausted and empty.
These people are exhausted, because every time they interact with them, the experience is stressful. Some, just by talking nonstop, can cause emotional agony in their interlocutor.
These apparently normal characters are everywhere and only if their particulars are known can they be identified, and thus be saved from their bad intentions.
In this book he will find the psychological foundations of the existence of "energy vampires" he will be able to recognize them, and he will know how to treat them to get out of their encounter. If you identify with one of them, you will have the tools and the reasons to change. Knowledge will allow you to be free and happy.