Ereptile dysfunction
None. The piano player can do that with his left hand.
He holds it in the air and the world revolves around him
Reptile - disfunction
Son: "What color is the wind " Mom: "The wind is the wind, it had no color. It's transparent" Dad: "The wind is blue" Mom: "Blue How so " Dad: "Because the wind blew"
Ereptile Dysfunction