When they push the food away after I fed him a few times, or when he vomits out the food

No not really. I will just stop when my baby dont want it anymore

Yes when she don’t want to open her mouth

yes! when he throw the spoon. haha! Lol

Marginal utility theory in economics

They'll normally reject more food

She doesn’t want anymore

Yes she stops eating! LOL

he burp himself n say no.

When my baby stops eating