If you want to know how old you look, just walk into a French cafe. It's like a public referendum on your face.

We incorporated new tastes and flavors into our kids' diets from a very early age, which helped to develop their palates and prevented them from becoming picky eaters. We don't buy junk food and give them options of fresh fruit, yogurt, raw almonds, or dried whole grain cereals for snack time.

One of the great challenges of our age, in which the tools of our productivity are also the tools of our leisure, is to figure out how to make more useful those moments of procrastination when we're idling in front of our computer screens.