Saw the vid but no sound on my phone, anyway it's topic I'm interested in and the best representation of Tingle for me is the backstage interview of Flex Lewis
Tell them too much, they wouldn't understand; tell them what they know, they would yawn.
They have to move up by responding to challenges, not too easy not too hard, until they paused at what they always think is the end of the road for all time instead of a momentary break in an endless upward spiral