You hear a knocking at the door and nearly pee yourself right there. You truly hope that it was just the wind.
"Miss? It's me, Nurse Redheart! I had come back to get my coat and I heard shouting. Is everything alright?"
Shit. You're losing your mind, she's going to find out and think you're some transgender pony, or.. or... Some kind of intersexual, or who knows what? She might tell everyone, and run you out of town! Or, heck she might want to perform some crazy medical experiments on you!
"Sweetie? I said 'is everything okay in there?'"
"Yes! Yes, everything is perfectly fine!" You lie. You need to think of something really clever, really fast. Unfortunately, the best idea you've got is trying to stuff your still-flaccid cock back into its sheath. But the feeling only starts getting you aroused, and, for some reason the panic of the situation arouses you even more.
"Are you sure? Let me come in, I want to make sure that your condition isn't acting up."
"N-no! It's fine, I'm using the crapper!" You're rock hard now, this piece of meat between your legs must be two feet in length, there's no way you could hide it now. But that doesn't stop you from trying, succeeding in only bending it at a painful angle with your hooves and having it snap back to attention the second you let go. In fact, the cock springs back so hard you lose your balance and fall flat on your butt, dick sticking up in the air.
"Did you just fall? Stay still, I'm coming in!" You hear the doorknob twist, and the only thing you can do now is cover your eyes and hope it ends quickly. Nurse Redheart steps inside the bathroom, and sees you, legs spread apart and your new found stallionhood pointing right at her like a spear. You hear her gasp, and your face flushes with embarrassment. You actually feel a few tears run down your cheeks, you've never been so mortified in all your life.
You really hope she just ends up getting everyone to run you out of town.
But, nothing happens. She doesn't even say anything. You move your hooves out of your eyes to take a peek at her, but she's... Just... She's