Tools of Titans: The Tactics, Routines, and Habits of Billionaires, Icons, and World-Class Performers

by Timothy Ferriss

“I really wish I looked like that again.” No problem. I’ll crack open a dusty volume from 2007, review the 8 weeks of training and food logs preceding June 5, repeat them, and—voilà—end up looking nearly the same as my younger self

Wow. Maybe I should do the same thing.