I am at the end of my tether. My son is 3, and is total chaos. Especially during any school holiday as he is TTO. We are meant to be going away with family this weekend and I know it will be awful. He is aggressive, shouts, throws things, bites.He doesn’t sleep much and is constantly on go 24/7. He knows when he is misbehaving and nothing I seem to do is helping. I don’t know how to help him, he is mostly well behaved at school. I just don’t know what else to do. We have a rewards chart, I’ve tried time outs, talking to him calmly, breathing techniques NOTHING helps.