Mara Berg's choices might not have always made sense to the rest of the world, but she believes they've served her well. They've led her to a career she's found fulfilling and worthwhile-and into the arms of the love of her life, Jack Holden. Jack is Mara's colleague, and over the span of their almost thirty-year relationship, she has been content to let him divide his time between her and his wife and children. Now, though, as Mara retires from teaching,...