15.and LOTS of metaphors!! Refering to various actions, body parts, etc., should be as circumspect as possible. Birds,flowers,alcoholic beverages,(blud red wine, etc)... may be freely substituted for lips, breasts etc.
And for Male Parts...anything is ok as long as it is longer than it is wide.

16. Women who are NOT active heroines in the song may be given away as prizes to men who achieve some goal...such as killing villians, saving ships, etc.