Then, the hand arcs out of the water and over a smiling face. The music builds. Cut to an underwater shot of a pair of legs pirouetting effortlessly across the bottom of the pool.
Music builds, more strings.
Close-up of her face turning right, then left. Pull back to reveal two other women. Man's legs underwater spinning, then from above with arms extended. Underwater and above kick line, all synchronized. Armed with reasonable expectations and professional help, getting the weight off and keeping it off is a realistic goal.