I made to get up, hoping she would stand up and get her tits out of my line of sight, but instead she gave me a huge smile, "Hey, how about we both sit here!"
Mom turned around and before I could react, sat down in my lap. Turning to the side, she draped her long legs over the side of the chair and putting her arm around my shoulders laughed, "How's this!"
"Mom!" I exclaimed, "What are you doing?"
"Sitting on your lap silly," looking up into my face, she smiled, "Its only fair, how many years did you sit in my lap?"
"Yeah, but I was a kid."...