I’m always traveling with at least a box of Clif bars in my backpack because you never know when you’ll be in need of calories at a time when food is hard to find. (Airport food options in 2021 could be pretty brutal if you didn’t want McDonalds) And then there were the times I had a dozen plastic jars of Bench & Field cat treats in my backpack because my little Siamese girl loves them as much as life itself and they’re half the price at the Trader Joe’s by my parents’ house as they are if I order them from Chewy…