There are important differences in the strategies needed to deal with avoidable and unavoidable pain. These differences make the distinction necessary.

Mindfulness is to the mind what stretching is to the body. It helps, but it does not get the job done.

Never forgive for the sake of forgiving. It is not the act of forgiving that heals. The idea that forgiveness is a prerequisite for healing from a traumatic experience is nonsense.

Understanding what is behind the anger is good, but not enough - as with understanding any emotion, it is of little help and may even distract from the real work that needs to be done.