Some folks will probably bristle at that characterization, but we're not talking about some "rambunctious" youngster, or "excitable" child.
We're talking about kids wriggling around on the floor, screaming, thrashing and biting anyone who comes close enough.
While they're human beings, they're devoid of reason and self-control.
God Bless your daughter-in-law, someone's got to do it, and I know I sure couldn't!