Temple would base his grades on the work done, not the viewpoint behind it.Advanced Math was a lot better lesson, the teacher had a really good way of...explaining the concepts of the problems, so all the students understood the method of working out the answers. Always one of my best subjects, I normally would have just gone by the textbook to work through the years work, but I could see for once that I would actually spend more time listening and working things through as per the teachers. But in no time I increased my speed and was squeezing her boobs from behind very hardly. She started moaning like anything. I just forgot that she is my very loving sister and was banging her like a wore. She was screaming to hell, but I am least bothered about her pain.Then I made her sleep flat with her back facing upwards. Widened her legs, with my fingers, parted her buttocks and entered her pussy. In this position as my body was more in contact with her body the sound of fucking was heavy. Lydia was now thirty-six and, as her mother did, she looked about twenty-five. Her boobs had grown a bit and were now a nice pair of thirty-four Ds and since she never stopped breast feeding her Master's daughters she was still lactating. She quickly regained her former figure after giving birth to her Master's niece/daughter. Ann was the perfect replica of her mother Emily. She already had large thirty-eight DDs (from the way she was growing Eric expected her to end up with F or G cups), her. Afterwards, Rajesh on me and dad and Deepak on their respective wives. At around 3 in the morning we finished and were totally exhausted. My cunt was bit sore. But mom and sis told that it was normal. The next day we didn’t wear any clothes and fucked the whole day. Once more in the night. The day after Deepa and Deepak left promising to come back in the weekends. Then I got to know why they were visiting us so frequently.After that day, we never wear any clothes in the evenings and dad and bro.