What is the difference between hunger and wanting food out of habit? How do you tell them apart?

How do you handle hunger at work when you can smell food from the kitchen or break room?

How do you handle hunger before bed when your eating window closes at 6pm?slug:how-to-handle-hunger-before-bed-fasting-window

Can fasting help with eczema or other skin conditions? Anyone with experience?slug:can-fasting-help-with-eczema-skin-conditions