[ at the very least, peter can rest at ease with not being concerned about the cigarette, since sanji's plenty of a professional when it comes to knowing how to keep it from falling out of his mouth (ninety-five percent of the time, anyway) and he's not exactly the kind who goes around using his bad habit as a torture device. ]

Yeah, foot patterns. But don't stare at your feet so much. You're throwing off the posture again. [ and because it's technically the position for this, sanji sets his hand at peter's lower back, giving it a nudge from the heel of his palm to urge him to straight up again.

well, peter's at least trying, he supposes. ]

Not often, but one never knows when you've got to be a gentleman with a lady in need of a partner, so it's a good skill to keep in mind. It's good training for the legs too — helps with rhythmic patterns and memorizing movement. Even something like this can come in handy in a fight.