One of the things that separates many humans from other kinds of animals is the ability to choose against instinct. To hold a hot cup for a little longer, endur

One of the things that separates many humans from other kinds of animals is the ability to choose against instinct. To hold a hot cup for a little longer, enduring the pain so we don't drop it and break it. There are even some arguments that consciousness evolved to allow humans to do exactly that sort of thing; contradict hard-wired impulses. That we are so terrible at modesty of consumption in groups is the real tragedy.