Eat on time, eat less and eat more, drink more water, eat more apples and bananas, drink a cup of honey water in the morning and evening, defecate on time and say sleep. Keep sleeping 10 hours or more every day. Concentrate on things, calm down and concentrate on study and work, but also consume energy and physical strength.

That's how I lost more than 20 Jin a year. It used to be nearly 120 kg, but now it's over 90 kg.