With an arm on the back of the chair to hold him up, he wrapped his lips around the right nipple that nursed him as a child and stuck a finger into th... womb that birthed him. Mark moved his finger in and out, and he quickly added a second finger to fill the juicy gap. Tina’s ripe breasts bounced with each thrust of Mark’s hand into her pussy. Her eyes were closed and she spread her legs a little wider, encouraging her pussy to open more to her son’s penetration. Mark slipped a third finger. ”“Oh, thank you! That’s so nice of you!”“Yeah, I’ll e-mail you all the information you’ll need.”Just then there was a knock on the door. “Okay, Mom, there are more kids here. I’ll let you go. Love you. Bye!”After she dispensed some mini Twix bars to a couple of Disney princesses, she returned to the living room to sit ... maybe more like collapse ... onto the couch, where she took a deep breath.“Okay. My Great Aunt Charlotte usually hosts Thanksgiving dinner, but she fell and broke her leg the. You can practice with that. After you make sure your gag don't come back, then drink a glass of warm milk like you learned," he said.I looked skeptical so he added, "Tell me you are going to do it at least twice a day. And think of me while you are doing it. After you get comfortable holding it and drinking without swallowing I will be even more proud of you," he said.He helped me to stand then led me back to my bed where I lay down and spread for him to inspect. Then he lifted and turned me so. The girl's surprised. The prof says she could use it there and then they can talk about the project after she's done with it. Girl is very excited and unzips her jeans and is pulling them down while prof watches. Girl is embarrassed and asks if prof is going to watch, and she tells her she wants to make sure everything's okay. Girl takes off her jeans and panties and is covering herself and gets on the sybian and prof is helping getting it going. Girl is riding it and panting. Prof goes behind.