*A.U.* Show him...

"Well, for doggy style, the female goes on her hands and knees, and presents her butt and pussy to the male like so.." You take a breath and turn around looking away from Kevin as you get on your hands and knees and present your butt and pussy to him.

"Ah!" Kevin says as you hear him shuffle closer. "Then...what?"

"Well, the male sometimes puts his hand on the females waist, near her butt, and then sticks his erection into her pussy." As you finish describing the act you start to turn around....