He stared at her, slack-jawed. "A head start?" he asked incredulously, laughing. "You devil girl! No, there will be no head starts! We go at the same time!"
He stood on one stair, waiting for him to join before leaning forward. "On the mark of three. One. Two. Three!" As he counted to the last number, he flew upwards, rushing up the stairs with the competitiveness and abandon of a child.