The cement would harden inside of you. I don't even know why you would eat cement. It's probably toxic and plus you would be eating liquid rock so it wouldn't taste very good.
If you eat wall cement plaster, you would become very sick and maybe die. Wall cement plaster is not made for eating in any way.
she would have to stay there for every food she ate
Nothing
Nothing would happen. You would just get a lot of calcium.
You die.
Nothing good!
YOu die
you would eat fish
it would survive
If you ate human poo, (which you shouldn't) you would most likely get very sick.
You would choke on it and it would make you very ill
you will die from the wax inside you.