I remember I was at the grocery store with my two year old niece. They were giving away samples of aged gouda and she wanted to try it.
"You'll hate it," I told her.
"No I won't!" she said, begging, so sure of herself. In no mood, I gave it to her and then immediately held my hand out while she gagged it up, yelling, "I don't like that!" over and over.
So basically this video from The BreakWomb nails it.