I’ve started a daily ritual with my daughter now that she’s a kindergartner. When Elsa opens her lunch box, there is a bright, neon-colored Post-it note from me, stuck inside, with a message that I ...

Humans have been putting little notes for the people they love inside lunch bags, boxes, and parcels for… well, pretty much as long as packed lunches have been a thing. And while it’s true that all ...