What is Psychological / Emotional abuse? How to prevent/recover from it?

8 Ways to Protect Yourself From Emotional Manipulationhttp://themindunleashed.org/2014/07/8-ways-protect-emotional-manipulation.html

Emotional abuse At a glancehttp://www.nspcc.org.uk/preventing-abuse/child-abuse-and-neglect/emotional-abuse/

Emotional abuse“Emotional abuse allows one person to gain power and control over another through words and gestures which gradually undermine the other’s self respect. Emotional abuse can be difficult to identify, as there is no scars or marks, and the torment can […]