There are several sure-fire behaviors that we can all choose which are guaranteed to ruin your life, give you less happiness and cause you to be angry each day. Practice these things and you are guaranteed to be unhappy. Be careful because happiness will always seek a way into your life.
Be Mean to Others
A great place to start is to make sure that you are mean to other people. Most people are mean and accepting of others because we see faults in them that we see and dislike in ourselves. So look at what you dislike about yourself, recognize it in someone else and be mean to them. Gossip about them, name call and discriminate if you can.