So many things we accept because of our cultures. So many things we get wrong and never question it, i.e. margarine is more healthy than butter, it is good to make your bed when you get out of it, having more things is good for us. But we do need our brains to accept things; society and culture is so complex now that life would be too much for us if we questioned everything. Besides which, it is painful to change entrenched networks, who needs that? So how do we know what to question and when, and more importantly, how do we summon the mental strength to change our networks.