Costco Syndrome: Have empathy for the shoppers who can't seem to save

A short time ago Costco sent me a $10.00 coupon off running my membership.  Like a moth to the flame, I fell for it, thinking..well, I really save big when I go to Costco on household items, so it's worth being a member.  Now I'm not so sure.  You see dear reader, I suffer from what I call Costco Syndrome.  I go there intending to get my amazing discounts on bulk groceries, my Alleve, and of