I've found that regardless of whether a person deserved it or not, forgiving them was very beneficial to my mental health. I've let anger consume me over things I really needed to let go of. I think, however, it's important to differentiate between forgiving someone and allowing them back into a position where they can hurt you again. The latter doesn't necessarily have to come with the former.
Even if the open windows of science at first make us shiver after the cozy indoor warmth of traditional humanizing myths, in the end the fresh air brings vigor, and the great spaces have a splendor of their own - Bertrand Russell
