Just to how how easily we are misinformed and misled, and scientists for decades told us to start the day with breakfast:

How lobbyists made breakfast 'the most important meal of the day'

It was a combination of fear of indigestion, religious moralization and advertising that helped push the idea of breakfast as the most important meal of the day - but it was a campaign to sell more bacon that really solidified the idea. https://www.theguardian.com/lifeandstyle/2016/nov/28/breakfast-health-america-kellog-food-lifestyle

"As for those who claim they ARE hungry first thing in the AM ... Dr. Oz says you're mistaken -- it's actually just withdrawals because you're a food junkie."