When you think of yourself too much, you amplify your ego and your insecurities.
Happy people are the ones who focus on helping others. There’s a beautiful Chinese Proverb which describes this perfectly:
“If you want happiness for an hour, take a nap. If you want happiness for a day, go fishing. If you want happiness for a year, inherit a fortune. If you want happiness for a lifetime, help somebody.”
In other words: Be humble, don’t take yourself too seriously, and focus on helping others.
https://awaken.com, A Book of Five Rings: The Classic Guide to Strategy