There's an abrupt, bloody shift in the kitchen's atmosphere the moment Perona tries to forcefully drag Sanji's attention back to her. Knots of muscle work and tighten underneath his skin and her hand, and while the chef doesn't hold a threat in his heart - none at all, because Perona's a lady and he would never hurt her, never - he's drawn himself to his full height by the time he turns, and stares down at her.