Welcome to my world where Mad Scientist Miles Husband figures out a way to earn airline miles without flying. It’s kind of like living with a crazy genius. Sunday, he invites me for a midday date. I thought it was about picking out new colors to paint our house and getting some lunch. We’re just a block away from our house when he announces, “We’re going to earn 50,000 miles just by going to lunch!” (insert giddy, delighted with himself