Money has only been around for a few thousand years, so we haven’t yet evolved biologically to handle our money decisions. When we encounter money, we file that information away in the brain’s bits that deal with food, drugs, and sex. It all comes unstuck because we’re using stone-aged brains to try and make complex, abstract decisions about money. We’re really just cavemen with credit cards.

Money has only been around for a few thousand years, so we haven’t yet evolved biologically to handle our money decisions. When we encounter money, we file that information away in the brain’s bits that deal with food, drugs, and sex. It all comes unstuck because we’re using stone-aged brains to try and make complex, abstract decisions about money. We’re really just cavemen with credit cards.