You want her attention Well you'll have to wait She's in the gymnasium Reducing weight In shorts of a leotard Despite her age The girl's gonna exercise Your life away Sister don't you jog it all away Sister don't you run it all off Sister don't you jog it all away Sister don't you rough it all up What an idea of fun To get it on the run I don't know why you do What has come over you? ♪ The style in the discotheque Is cheap and nice Please tell Ms Fonda To reduce her price Anorexia nervosa mannequin All this physicality Will wear you thin Hey Olivia Newton-John What you say? Hey Olivia Newton-John What you say? She used to yield like flesh Now it's all muscle She used to yield like flesh Now it's all muscle ♪ We used to ride tandem and have lots of fun But bicycles for exercise are made for one ♪ I don't know why you do What has come over you What an idea of fun To get it on the run Sister don't you jog it all away Sister don't you run it all off Sister don't you jog it all away Sister don't you rough it all up