"I Wish" you say nervously. "That tomorrow morning, I am turned into a good looking guy's dick. I can either wake up as their dick, or be turned into it later. If I wake up as a dick, this person can either be aware that I'm their dick, having turned me into it, or had someone else turn me into it, or they can be unaware. I will stay as that guy's penis for twenty four hours, and then I will return to normal. If they were aware of it, the person whose penis I was will have no memory of it, unless I later choose otherwise".
You feel both excited and nervous as you take a shower. As the night goes on, you find that your nervousness becomes slightly stronger than your excitement, but you can easily suppress the urge to reverse the wish. You go to bed around 11:30, but you find it difficult to get to sleep straight away, which is hardly surprising. In the end it takes about an hour before you drift off to sleep. When you wake up next day: