Your question is.

A 30-year-old man only weighs 1 10 kg.

What you eat to make up for what you are not fat,

Eating too much and losing weight,

Personally, I think that if I grow up,

If they are all so slim,

This is related to genetic factors,

If you used to be fat and now you suddenly lose weight,

Then you should go to the hospital for a serious examination.

For example, some diabetics just eat too much.

But she has always been thin,

The body is getting thinner and thinner.