*somewhat strained* Your brother will be this child's father. A matter of genetics won't change that.
*can't bear to meet your eye, because she can only imagine what you must be feeling right now, and hates that she is the cause of it* I promise you... You won't be a stranger to him or her. Even if it's just as an uncle, you will always be a part of his life. I'll see to that. *laughs softly, humorlessly* I'm sure you'll see to it as well.