I think sometimes its good to feel hunger, because the majority of the times I eat (not talking about you or anyone else) its because of the clock, or I have to go to work, but not actually because I am hungry. Its like living to a schedule. Sometimes even though not hungry, or not time to leave for work in half an hour or so, its sheer cravings.
It does us good to feel hungry sometimes, because its a reminder to ourselves what is hunger and what is a craving (or in my case - clock watching before work)