The 7 min workout definitely will not make you look like a cross-fit junkie, but who really needs to be that fit? For someone who doesn't work out at all, and sits in front of a screen for 8 hrs a day, 7 min a day is likely to add a few years to your life.
Choose yourself is a similar themed book. http://www.amazon.com/Choose-Yourself-James-Altucher-ebook/d...
Best 16$ spent in 2013.
http://www.amazon.in/Love-Yourself-Like-Your-Depends-ebook/d... Love Yourself Like Your Life Depends On It by Kamal Ravikant