I finally excused myself to go to the bathroom, and figured if Matt was able to, he would find a way to join me. I left the door cracked a bit, as an ...nvitation to him. After a minute or so, probably how long it took him to calm down and let his erection subside, I heard him approach from down the hallway."Mom?" he whispered as he carefully opened the door."Come in, Matt," I said, smiling at him. "This has to be quick, though."He must have been reading my mind, because he closed the door behind. I left her to her devices to get off as I watch herself start to rub herself and figured I'd talk to her when she was done. I had set my laptop next to me, and kept my eye on the monitor to tell when she was done. At around six she had her head back again and had fallen asleep in the hot tub.I prepared to walk out back to talk to her. While I was grabbing my cell phone I glanced at the monitor again, she had moved from my hot tub to the tree just a few feet away. She was squatting. I walked. "Oh, it isn't the insest, at least not anymore," mom smiled knowingly as she rolled over on her back. "In the interest of time, why don't you eat my pussy while I try to explain." Lauren moved down between mom's legs and began licking her succulent pussy. "I've never fucked another man without your father's permission," Mom explained as Lauren buried her tongue inside her juicy hole. "It's the agreement we made when we started going to the lake with the Andrews. Everything has to be. Stepping inside I removed my coat and scarf for her to hang up and she discarded her housecoat. She was wearing a bright red Basque trimmed with black, the straps holding up a pair of fishnet stockings over which she had on a pair of matching silk bloomers. The waist and leg openings had black silk bows sown into them rather than the usual elastic. ‘Sorry Miss’ she said, ‘I was getting dressed for you and worry about being disturbed.’ In the living room she had the drapes drawn in preparation.