I step even closer to her back and place my hands on her hips, twisting her body as she throws another punch. She jumps and stumbles into me, her head tipping back against my bare chest. “Stop swinging with your arms and swing with your whole body,” I say, bending my head so I’m close to her ear. She sucks in a breath when my hand sweeps over her abdomen, the whisper of my fingers dancing along her thin tank. “Engage your core, Gray.”
