She helps him out by making him sense a tiny more handy while he milks on the couch. She plays with her muff and witnesses him stroke his lengthy ruler. Then he adds his prick to her pussy, and the great times increase in size exponentially. He stuffs his lengthy inequality inwards her and works thru all the calculations with ease. She likes every inch and rails him up and down, displaying him all the possible values that a variable can have. Finally, she takes his derivative on her chin and is fully satisfied. This seems like how math should always be taught, doesnt it?