It was self defense. [You hit hard Jon, even for someone with Damian's pain tolerance. Then Jon starts saying stuff like that and... it knocks the wind right out of him. He sharply turns away with a grunt. Shifting a little uncomfortably at Jon's sudden earnest tone but there was still some slight disbelief because...]

The last time I offered to train you, you said you didn't need it. How was I supposed to know you wanted to further your education? [Shifts his attention back to Mondo and shook his head.] I finished my schooling when I was 10. [Mondo's tone didn't offend or surprise him. People were usually surprised to find that Damian was smarter than most adults. And it's really time freeing to get it done early. Everyone should try it. Just have your mother genetically enhance your brain and body in the womb, then dedicate your whole childhood to education, training and life threatening missions. Simple.]