Unfortunately, human relationships are riddled with manipulation. Usually it’s unconscious. We unknowingly learn to be manipulative and unknowingly manipulate people. Two manipulative mechanisms that seriously damage relationships are blackmail and coercion.
Manipulation, in psychological terms, is a mechanism through which a person can get another person to say or do something. This is achieved through the use of deceit, schemes, and traps. A person turns into a mere tool for another to use and get something out of.