"No way sis! I'm not falling for that again. Last time I was down there you piss all over my mouth. ( It was a bit of a turn on though...and salty)"
"A couple weeks later they sat us down to let us know that Mom was pregnant. My sisters glanced at each other and at me before they each pulled out a little stick. "We have something to tell you guys too ....""
"omg Sis I LOVE eating your sweet ass SO MUCH!!!...and I know, it's totally wrong for a guy to touch his sister's pussy, so my tongue will be VERY careful....Dang, I'm SO glad you love this as much as I do!...."