How do you earn 230 Guiness World Records in 30 years? You just make it happen!
"I believe we all have an inner strength that we very rarely use," Furman said. "I just love the challenge of trying to be the best in the world in something."
Quick question for you: Do you think you can break his AMJJAP (as many jumping jacks as possible) in 5 hours? His record....27,000!