black rubbing is heterozygous submissive for equals
flesh_black is person. heteroflexible is heterosexual. gay_male_sex is homosexual_behavior. kissing is accepted_form_of_displaying_affection. heterosexual is monosexual. kissing is way_to_show_affection. rubbing is representation. cotton_stainer is heteropterous_insect. kissing is way_of_showing_affection. heteroflexibility is heterosexuality.