"My sister has two left feet," he said. She didn't, of course. It was a brotherly jab at her because that's what brothers did. It was in the rule book. You had to pick on your siblings as much as possible all of the time. At least in the Webb house.
As she moved closer, he let his right hand grasp her waist as neutral as he could -not too high or low-. His grip was firm but gentle. "Okay. Now," He started as he let his left hand trace down her right arm to find her fingers. He let them come to settle in the bend of his thumb. "All you have to do, is follow me. I'll do most of the work." With that he leaned forward on his left foot and pushed back his left hand a bit, to signal for her to step back on her right.