And, incidentally, that is one of the reasons you never say to a child anything like what I once heard in a supermarket "If you do that again, Mummy won't love you any more" A child will either believe it and never be certain again of Mummy's love, or not believe it and never be certain that she can be believed on anything else. Plus, there is no way that Mummy can carry that out, unless she is a psychopath.
That is as well as the innate cruelty of threatening a child with such a drastic punishment for anything