black rubbing is heterozygous submissive for equals
heteroflexible is heterosexual. kissing is not way_of_showing_affection. kissing is not accepted_form_of_displaying_affection. flesh_black is person. kissing is not way_to_show_affection. heteroflexible is not heterosexual. kissing is way_to_show_affection. kissing is way_of_showing_affection. rubbing is not representation. heterosexual is monosexual.