It sounds like he's doing Intermittent Fasting (IF), where you only eat for specific periods each day-- the precise amounts vary, from 16 hours fasting / 8 hour

It sounds like he's doing Intermittent Fasting (IF), where you only eat for specific periods each day-- the precise amounts vary, from 16 hours fasting / 8 hours eating (basically 2 big meals) to 20/4 "Warrior Diet" (1 huge meal). http://www.leangains.com/ http://www.leangains.com/ is one of the better-researched sites promoting it.