Archeology shows us that 50,000 years ago our ancestors had invented art, religion, music, and all the other patterns of behavior we have today.  That means people 50,000 years ago had all of the brain components we do.  What sets us apart from people 50,000 years ago is that we’ve had 50,000 years to think of new ideas and inventions.  But the instincts, feelings, and motivations we have for making our decisions today are the same as people had back then.   Some things people do today don’t seem to make any sense.  Some things we do because they feel…