Second, if you rule out the above possibilities, you must make up your mind to change yourself. Try to live and eat regularly, sleep on time, get up on time, and ensure adequate sleep time every day; Eat three meals a day on time, and don't eat too much at each meal. As the saying goes, "You are never too old when you are full"; Eat more fruits and vegetables, eat less meat and try not to eat junk food such as instant noodles. You can watch more related books and TV programs.
Third, do more exercise. There are really no conditions. Walking for half an hour after a meal can also play a good role in losing weight.
Fourth, we must adjust our mentality, change bad habits, and persist in the end, which is victory!