I am looking for a proverb / expression in American English where someone is overly kind to someone else tending to help them make an easier situation for them in the manner that they feel better, but in fact, what they are doing is not what they are expecting. They are acting like an ill-nature person e.g. enemy, who does not like you learn / grow etc.
A kind aunt does her brother child's homework thinking that it would make the child feel better because as a result they would have less tasks and subsequently they can rest, but actually, what the aunt is doing is avoiding the child from growing and learning more.
A mother who constantly gives her child chocolates and cake and other goodies, even though she's been told her child should be on a diet; otherwise she would hurt her child.
P.S. I am sure that "killing with kindness" does not work in AmE.