Often an explosive situation can be defused with a couple of well-chosen words. Read biographies of people that you admire. Learn which qualities they had that helped to make them successful. Surround yourself with successful people. You will have to be patient, as everyone around you has faults.
Good friends are the best rewards, and the best way to get good friends is by being one.
Don't feign affection. Be real in your dealing with others. The concept that we have a right to be here escapes most of us. We feel as if we are borrowing someone else's space. If you are acting in an abusive manner to people, the environment, or yourself, perhaps you are, and your feelings are natural.