I Need Your Help Stepsis, I Took Too Much Viagra. I am such an idiot sometimes, I took some of my Dad's Viagra to see what it felt like and now I have this raging boner that will not go down no matter how much I masturbate. I am totally freaking out, thank god my parents aren't home or I would be in deep trouble. I burst into my sister's room to show her my dilemma and beg for her help. I ask my sister Alex to help make me cum to see if my boner will go...