A childhood belief about general

It was this one time i was over at my neighbor, who was eight years younger than me, he was at that time five... I had this bad habbit of sucking on unriped cherries. He asked me why I was sucking on it. I told him it tasted as coke. He ran over to the tree to have one as well. But quickly realized it didn't taste as coke, and was really upset. Then I told him that it was only the ones in the top of the tree that tasted like coke. He started climing the tree, and every once in a while stopped to cheek to see if the unriped cherries at where he was tasted like coke. When he'd reached pretty high, I told him that I'd only joked with him, but he wouldn't believe me. He kept on climbing all the way to the top...