You finished breakfast.

And you are already thinking about lunch.

Not because you necessarily feel hungry.

Your brain is reviewing what is in the refrigerator. Then it remembers the cookies at work. Then it wonders whether lunch will be “good enou...

You finished dinner an hour ago.

Your stomach feels satisfied.

Then something happens.

An irritating email lands in your inbox. You have a frustrating conversation. You finally sit down after a long day. You feel bored. Or lonely. Or overwhelmed.

Dinner is over.

You ate enough. You are not physically hungry.

Then the house gets quieter, you finally sit down, and your brain says:

“I need something.”

Maybe it is chocolate.

Maybe it is chips.

Maybe you walk into the kitchen almost automati...