The richest man you've never heard of isn't sure what to do with his billions

• Autry Stephens is set to be one of the world's richest people after selling his oil business.
• But the 85-year-old didn't sound very excited about his newfound billions in a recent interview.
• The sale will create one of the biggest drillers poised to take advantage of Texas' oil boom. 

An 85-year-old oil tycoon is cashing out — but he doesn't sound too thrilled about becoming one of the wealthiest hundred people in the world.