Yesterday I went for dinner with some people from work. I was not able to finish the plate, it was way too much and I would have felt bloated and tired if I had. Two people commented 'oh come on, really? You can finish that!' Etc. I didn't want a dessert for the same reason and there were comments about his too.
A couple of the people were overweight and I would have been slated for saying anything about how much they ate. Why is this acceptable?