Khai Diep has no feelings. Well, he feels irritation when people move his things or contentment when ledgers balance down to the penny, but not big, important emotions—like grief. And love. He thinks he’s defective. His family knows better—that his autism means he just processes emotions differently. When he steadfastly avoids relationships, his mother takes matters into her own hands and returns to Vietnam to find him the perfect bride. As a mixed-race…