A YouTuber named Nikocado Avocado, who makes videos of himself eating lots of yummy food, surprised everyone by losing a lot of weight.
He lost over 200 pounds and said it was like a big experiment to see what would happen.
Avocado talked about how sometimes people are mean to others because of their weight, and it's not fair.
His video made lots of people think about how we treat each other and how important it is to be kind.