I was listening recently to a podcast with James Kimmel the author of 'The Science of Revenge'. It was quite interesting and I learned a good deal.
The desire for revenge is often thought of as an emotion. Actually, it is caused by the pain a person feels when they believe they have been aggrieved or harmed in some way.
It could be anything from a simple social slight to serious physical abuse. The desire for revenge is motivated by our felt need to remove this pain.
When revenge is taken we...