“Let you explain?” I laugh sardonically. “Let you explain what? What kind of explanation could you possibly have for sleeping with my boyfriend’s dad? What the hell are you thinking?” “I know,” she says calmly. “I know.” “How long?” “Hallie.” “How long have you been fucking your best friend’s husband, Mom?” Her jaw tenses as she rolls the answer over in her mind. “It started last fall, after you left for college.”

