"Please don't tell anyone?" she asked softly.
He took one look at her—red-rimmed eyes, stiff posture, curled up in the bed—and bit off all the things he wanted to say. Good for you. He was cheating on you. He didn't deserve you. Instead, he gave her that look he knew she could read, one eyebrow raised, y' know y' don't have t' ask dat.
He answered her anyway. "Promise."