Step 1. Be hungry.
Step 2. Acquire food.
Step 3. Eat food.
Step 4. (Optional) Have a drink too, you deserve it, champ.
Now you're no longer hungry, and world hunger has gone down by just enough that you can call yourself a hero, great work Humanity.
-
(between mouthfuls of pizza) No, I'm not a hero. Just an ordinary citizen.