Answers 1Add Yours
He actually gives no reason. The closest he gets is found in the quote below. We aren't given an exact reason for his presence, but we do know that he was studying and had ink on his hands.
"Stop a minute, though," he said, wheeling round before we had gone
many paces. "I ought to give you a reason for fighting, too. There
it is!" In a most irritating manner he instantly slapped his hands
against one another, daintily flung one of his legs up behind him,
pulled my hair, slapped his hands again, dipped his head, and
butted it into my stomach."