"Whoever your boss is, or your bosses are, they have 20 percent of their job that they just don't like," Epstein tells David Axelrod on his podcast, "The Axe Files."
"So if you can ask them or figure out what that 20 percent is, and figure out a way to do it for them, you'll make them really happy, improve their quality of life and their work experience."
In other words, take on the aspects of your boss' job that he or she hates.
By diving into the less glamorous work, you will gain respect as well as "invaluable experience for yourself," Epstein says.
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