This work could have adult content. If you proceed you have agreed that you are willing to see such content.
Arthur means it as a joke. After Merlin wonders off again at the mall and it takes Arthur over an hour to track him down, playing with the plasma globes in the Discovery Store with the fascination of a child, Arthur makes a note to get him one for his birthday and then pulls him away from the store. "Honestly," he says, laughing, "some days I think I should just buy you a leash."