Peter Adeney, perhaps better known by his online alias of Mr. Money Mustache, retired at 30 and has lived on an income of about 25,000 dollars a year since. How is he making it work? How is he redefining retirement and frugality? What toll does this take on his family? And perhaps most importantly - could we all do it too? Nick Paumgarten takes all this on in his piece The Scold, which Rajen Devadason studies and explains.