Become a good listener. You will find many conflicts go away when people really listen to each other. Have a clear understanding of what you can and can't control. Whenever you have a negative thought about yourself, change it to a positive thought. You'll feel better about yourself and you'll form the habit of self-affirmation, which most successful people share.
Every life has meaning.
Sit down and ask yourself where you want to be in five years, and then ten years. Studies have shown that when people picture themselves reaching their goals, they improve their chances of this really happening. Picture a positive future for yourself.