Us. Us. There was no 'us', and why Boyd thought there was in the first place was beyond him. Wasn't he clear enough about their arrangement?
What he thought of Helena was no business of hers, but if he answered her questions then maybe she would be more forthcoming to his. "Yes," he said, rather reluctantly. "Yes, I do. Boyd-- what did you say to her, exactly? Did she ask why you were living with me?"