Life is full of barriers, many for our own protection.
You want to ride the roller coaster little fella, well let’s just stand you up against this height test. Sorry matey, not quite tall enough yet, don’t want to see you catapulted out and thrown half way across Rainbow’s End, eh.
Somewhere along the line we have liberated the idea that in terms of sharing the thoughts you have in your head, there should be no minimum height for riding the roller coaster.