You have a 12 p.m. meeting on your calendar, which presents a serious problem for you, lifestyle-wise. See, you're a machine and every day you eat lunch at the exact same time — 12:30 p.m. But ...

The best meeting snack: “It’s a toss-up between M&Ms and pretzels. If you share them, that makes you look good too.” How to get out of a meeting: “My favorite trick was to just not go.