`` i did n't mean- '' `` maybe not , '' he said , and the edges of his teeth showed in his smile . i took my seat and opened the menu in front of me . the return trip was uneventful , with the river providing the motive power , and the crew relaxed ; some even lit pipes in the stern , well away from the holds closed hatches . i busied myself with my drink , not looking at him as the warm milk and chocolate slid down . 'have you been , or are you , her mistress ? ' 