Translated from Hokkien to English "Buay Kan Buay Tua Han" means that you can't grow up unless you get fucked first. It alludes to phenomenon that many of us do not experience growth without going through a period of pain first.
I think that there is a sufficient evidence that this is a very credible success methodology. Most folks simply do not have the willpower or conscientiousness to perform feats like lose weight or to save money. Pain can thus become a useful ally in such endeavours.
Personally, I experienced successful weight loss when I used a blood test to keep me from taking foods with too much sugar. Society is full of similar success stories, the gangster becomes a great cop after the government put in place a career with a proper structure to enforce conscientiousness.
Here's some useful application of this principle :
a) Improve Weight loss using ......