Let everything go, don't judge, forgive, and love. You will be happy and free of thought when you're not busy judging others, forgetting what someone else did or what you did and just love what you do and have.
Hard to do for someone who over-analyzes EVERYTHING! But its important to get this straight in your head. You can move past the surface and try to understand the deeper workings of someone elses actions when you take yourself out of the equation.