she never mentioned it.. , yes i 'm aware that it 's not the sort of thing you tell your younger brother , but we were very close , especially , since our parents passed when we were both very young , i can not believe i would n't have guessed , also , you know , she did n't go out much at night , and although i realize that you can work at that kind of a ... job during the day , surely she would have had to um ... service some clients during the evening , what do you think ? ''