We don't bear that body budget on our own. We have other people to help us do it. There are other social species, right? So, insects are social, and they regulate each other's nervous systems through chemicals, through scent. Rats, and some mammals, add touch and they might add hearing and primates add vision. We, as primates, have all of those ways to regulate each other. Plus, we have ideas that we share. And so, there are many ways in which religious belief can actually reduce the metabolic burden on the nervous system.