Jeff Greene, in a 2010 campaign video YouTube

NEW YORK (MarketWatch)—Billionaire Jeff Greene can fly into Davos on a private jet with wife, children and two nannies in tow.

But the rest of us? We should scale back our expectations, this Florida-based money manager told Bloomberg on Wednesday.

“America’s lifestyle expectations are far too high and need to be adjusted so we have less things and a smaller, better existence,” he said. “We need to reinvent our whole system of life.”