"Mark. And that comment I tossed off as Naismith about a sister-in-law... actually applies to him. By Betan law he's my brother - or my son if I choose to adopt him as such, which I don't. Mother, though... I can just hear her. 'Miles, what have you done with your little brother?'" He sighs and rubs his face with both hands. "Somehow I feel like 'I never knew he existed' is an inadequate excuse."