Why did robin choose to leave Bruce Wayne and start teen titans?

Trick question Dick Grayson was still working for Bruce Wayne under the guise of Robin when Raven started up the Teen Titans in nineteen-eighty. When Dick told Bruce in the cave that he quite because he was his own man and not just his side kick due to an argument over what was a better use of his (Dick's) time looking over Gatham City, or saving the world from things the Justice League eather didn't know about or didn't care because someone big might apear, Bruce told Dick if he left, he left the suit. In nineteen-eighty-four he told the Teen Titans he was no longer Robin not long after that he became Nightwing and rejoined the Teen Titans. In nineteen-eighty-five Bruce and Dick had settle back to a rocky father-son relationship.