perfect plan to bang any girl:
you need a couple friends to help you with this so they know where you are and stuff.
get "stranded"(friends know where you are, you can contact them anytime, somehow, idk)on an island with her. pretend theres no food(you actually do have food so you dont starve), so shell need calories. and what way can she get them? semen. youll interject in her mouth so she gets her calories, shell eventually develop feelings for you, you forget her, day later friends pick you up. it's foolproof