Shawn Achor at HBR writes this week on the connection between happiness and success.

FORBES: Are Happy People Just Plain Dumb?

He was named Achor Achor, and he helped me that afternoon to find an appropriate stick and piece of string.

NPR: Eggers Blends Fact, Fiction of Sudanese 'Lost Boys'

Achor Achor and I built a facsimile of our Group Twelve home on our coffee table and then we laughed some more.

NPR: Eggers Blends Fact, Fiction of Sudanese 'Lost Boys'

It overflows into their lives outside of work and the more they look for the negative, says Achor, they miss the positive.

FORBES: Seven Steps To Happiness At Work

If one of us saw a fish, we would try to triangulate it, while Achor Achor thrust the stick into the water, attempting to spear it.

NPR: Eggers Blends Fact, Fiction of Sudanese 'Lost Boys'

Together that day and in the days that followed, we waded into the water with our fishing poles and a spear Achor Achor had carved himself.

NPR: Eggers Blends Fact, Fiction of Sudanese 'Lost Boys'

Achor suggests that you rethink each of your daily tasks.

FORBES: Seven Steps To Happiness At Work

According to Shawn Achor, researcher and author of The Happiness Advantage, positive employees outperform negative employees in terms of sales, energy levels, turnover rates and health-care costs by as much as 30%.

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Achor Achor became my closest friend in Ethiopia.

NPR: Eggers Blends Fact, Fiction of Sudanese 'Lost Boys'