Sometimes my mind plays tricks with me.  It's the function and job of the mind to do so.  It's called "the egoic mind."  It is an identification with self, an identification with the thoughts in the mind as truth.  We all have one and we all do it.  We think that our thoughts are us.  We perceive things in a certain way and we believe our thoughts KNOW how things are.  We perceive others through this egoic mind and we make assumptions based on what our "mind identified" programming tells us.  However, it is merely that, programming from past events that inform how we are perceiving the present moment and informing how we will react.  We defend, justify, fight, protect, retreat, etc.  This is all to protect the identity that we have created for and about ourselves.  Ultimately, the only escape from this mind prison is to recognize our over-identification with the mind and take responsibility for all of our thoughts, feelings, and actions.  This may be more difficult than it sounds because the mind has a vested interest in maintaining the identity.  If its identity, its integrity, its honesty, its absolute truth is questioned, the ego is threatened and the wall of "rightness" that the ego has defended may fall like a house of cards.  The ego, the identity, faces losing a piece of itself.  The ego fights to maintain its identity and it does so by assigning blame or responsibility to the world around it.  "I'm in this situation and I feel this way because of him, her, them, or that."  The ego uses this defending, justifying energy to build itself up.  Ultimately, this egoic identity has to fall because it is powerless.  It falls either through a complete breakdown in "life as usual" or death.  Either way, it must fall.  Regaining power (and some semblance of happiness) comes from the awareness that your thoughts are not right.  They are simply your thoughts --- nothing more, nothing less --- just thoughts.  This awareness coupled with full responsibility for your own thoughts, feelings, situations and actions is the pathway toward freeing the self from this egoic power trip that enslaves the emotions to an endless cycle of "he said, she said."  

When this happens to me, and it often does, I immediately look for something else, something opposite, upon which to focus my mind, my attention, my thoughts.  If I am blaming someone else for my situation or feelings, I think of someone to whom I am grateful.  If my mind rolls over and over again with thoughts of regret, I think of something for which I am exceedingly grateful.  If my mind puffs up with anger over a perceived wrong, I think of something or someone that I love greatly.  In doing this, I am training my mind not to dwell on the things that keep it trapped and enslaved in emotional duress, but to align itself with the things that lift me up and help me to stay at my optimal best.  Sometimes it may take a while to realize that I am off course, but eventually, when I give up my need to be right or justified, I find my way.