"He imagined more genteel hunting parties in your future, I'm sure," Claudius remarks dryly. "Chances to see and be seen by important people on your way to becoming the next magistrate." It's something fathers do, isn't it? Teach their sons skills to set them up for success on a path that just so happens to run parallel to their own? Or it's something Claudius observed. He learned most of his skills like this, by standing back and watching, though he was rather less chatty as youth.