Answer:
George was hurt and felt being treated unfairly on getting grounded from George's Secret Key to the Universe.
Explanation:
"George's Secret Key to the Universe" is a children's fiction written by Stephen Hawking and Lucy with Christophe Galfard.
The story is about George Greenby and the world's most powerful computer named Cosmos.
In Chapter 15, we see that after George got scolded by Erik for taking Annie with him into space, he complained about him to his parents. George's dad then gives him a punishment of being grounded.
After George is grounded, he got hurt and felt being treated unfairly. After all it was Annie who pushed him, but he kept quiet.
