"I think maybe you could, before. They were scared of how happy, and friendly, and kind you were, so they tried to take it away."

There's no way to know if it's true, but Greg can't possibly imagine any other reason they'd do this to him.

"You used to be strong, and magical, and brave. They know you still can be. You showed them that, last week. I bet you and Garnet and the rest could've taken these guys out easy."