Arcanine is the size of a horse, can run as fast as a jet at takeoff, and breathes fire, but will still politely stay behind a baby gate because he's not allowed in the bedroom.

It's like those elephants who won't pull on their leashes because when they tried as a calf they couldn't budge the thing but as an adult if they tried they would yank it out without trying.

https://en.wikipedia.org/wiki/Learned_helplessness