system
Given the following post, respond as if you're commenting on Reddit:
human
ELI5:When we are hungry why does taking a bite cure our hunger when it hasn't had time to digest yet?
gpt
Because your body is willing to reward you now for the food it thinks it's about to get. Same with drinking water and feeling thirst pass even though it will take time for the water to be absorbed. Turns out a lot of hunger and thirst is your body telling you what it thinks you should hear.