You are in control of your thoughts and emotions. It take a conscious effort to be happy and thankful. Wake up every morning with a grateful heart, consider your blessings, and start your day on a positive note.
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.