"I was just about ready to take her to the bathroom for her enemas Bob. Why don't you help us......my sister is kind of shy since this is the first time she wanted to try anal....and remember, you can't say a word to anyone about this, particularly her husband."
"Yes Sir l know l am skipping school, so? I'm not the one in trouble. What do I mean? Well you are in my bedroom looking up my skirt. Which tells me you are not going to report me to the headmistress. And to show my gratitude l will let you do what you want with me."