Because the weight with each kilogram goes slower and slower, and the body's desire to retain fat is increasing every year. And you don’t send everything to hell just because you decided “Now or never! I’ll manage; I’ll get what I want out of my body. I have to ...” At such moments, a huge amount of things start to seem small, nothing meaningful. Life is reduced to a minimum. Work, training, shower, bed. All tails, such as washing - on the weekend. You must, the human body is a subtle mechanism in which no detail lives on its own.