Sisters of the Flying Tribe, you must have heard about the 21-day weight loss method. The devilish dieting trend prevalent on the Internet now is said to change one's original eating habits if you stick to it, and you will lose at least 10 jin (approximately 10 lbs) of big white meat~!!! Specifically, it goes like this: The first 3 days: only drink water, absolutely no food; The next 8 days: eat fruits and blanch low-salt vegetables, no staple foods; The last 10 days: eat until 60% full for every meal.