There is an easy answer for why Phelps, the most decorated and accomplished Olympian of all time, knows these idiosyncrasies about himself: He writes down even the most minuscule details of his ...

The 39-year-old recounted how she and Michael Phelps had visited the kindergarten for a small event when a book about experiencing ‘lasts’ made her cry. “We had just gone to Boomer’s ...