How to Lose 23 Lbs in 28 days (hint: it requires radical system-hacking)

I agree with the premise behind his methods, specifically the 'recreate your identity' part, although I do tend to implement them somewhat differently.

I rely less on external pressure and more on my internal disdain for half-assedness and failure.

Those pictures do no look like he lost 23 lbs.

Also how is this advice useful? Lose weight by starving yourself? This sounds a lot more like some of the free self - help advice that goes around...

I prefer the way to do a lot of sports (ie: cycling running) and eating well and losing fat by the long time. If i was doing the same as him it would take me less than 28 days to get back those 23 lbs..

Why is this on HN? The "after" picture looks as if the guy had just pulled in his belly, to be honest, and calling a diet "radical system-hacking" is quite a stretch, isn't it?