>>149887040
>obviously, I dont know why Caine would care about the outside world yet
It's right there in EP. 1.
He's aware it's the biggest thing that the humans want and it eats him away that it's the biggest mystery that, in his mind, prevents him from finally making them love him.
It's been on his mind from the start, but it grows worse the more he feels like he's failing Zooble.