I have a close relationship with peanut butter. In second and third grade, I packed my own lunch. Both of my parents grew up with the necessity to make most things themselves – their parents were broke students and young parents, trying to make ends meet by donating blood, as my Grandpa John did, and betting the other guys at the Red Cross that he could fill the pouch faster than they could (he won most of the time). When my parents were, as their parents had been, broke, raising two kids and post-dating checks at the grocery store so that they wouldn’t be cashed until after payday, they taught…