She locks him out, but leaves the key   Where he knows it'll always be   In their secret place   He comes and goes and she never knows   Just where she stands in this crazy game he plays   He's always been this way      On again, off again   It's breakin' her heart again   The way he runs hot and cold   For her it's gettin' old   One day they're flyin' high   The next day he's sayin' goodbye   If things don't change   She just can't go on loving him   On again, off again      She ain't gettin' any younger   And he ain't gettin' any closer   To buyin' her a ring   And every time she brings it up   He does his dance and tells her anything   To keep her on a string      It's On again, off again   It's breakin' her heart again   The way he runs hot and cold   For her it's gettin' old   One day they're flyin' high   The next day he's sayin' goodbye   If things don't change   She just can't go on loving him   On again, off again      One day they're flyin' high   The next day he's sayin' goodbye   If things don't change   She just can't go on loving him   'Cause forever can't begin 'til this thing ends   This on again, off again