Hunger is the body's way of telling you it needs
energy
water
sleep

This is hard to answer, it all just depends on the person. like when I get hungry it typically means I need energy, such as when you eat breakfast in the morning and that kind of gives you a little kick start in the morning.

personal-

communication, mobility, cooking, using the telephone, cleaning the house, doing laundry,   going to the bank, and managing medications.

social-

music, art groups, cooking and gardening. outdoor activities are shopping, eating out, theatre trips and sailing.

ethical-

honestly, integrity, loyalty