Earlier quoted context omitted.
Still, a raging 80 kg human can be a handful to deal with. Exactly how big a handful becomes much clearer when someone close to you spends long enough manic and without sleep, then goes psychotic.
Trying to hold my 15kg toddler when he goes crazy has given me a fairly good idea of what that would be like.
When my sister went crazy in exactly the manner described, I learned that I was wrong. Totally wrong.