Moreover, this brain circuit for reward is working, and you're feeling intense energy, intense focus, intense motivation and the willingness to risk it all, to win life's greatest prize.
The Jade rabbit from the story was originally from a Buddhist legend where the rabbit sacrificed his own life, to feed a disguised Buddha, and was rewarded by being able to live on the moon.
This was the dog that didn't do anything for anyone and he'd done it for me and he wanted a treat, a reward, praise, anything, and he got the stone wall.