It may be that the spleen and stomach are bad, that is, eating more and absorbing less.

I was the same when I was young. Later, my neighbor, an old Chinese doctor, asked me to drink a glass of normal temperature beer at dinner every day.

At the age of 25, she was still 180 and weighed 120 kg. When I was 30 years old, my weight was 150 kg, and now it is stable at 160 kg.