There was once a very busy farmer named Farmer Ben. Farmer Ben lived and worked on a big farm with rolling hills, a big red barn, and lots of animals. Every morning, Farmer Ben would wake up before the sun and get ready for his day. Farmer Ben’s wife, Mrs. Ben, would make him breakfast using fresh things from the farm that Farmer Ben had collected the day before--including fresh eggs and fresh milk. Everyday, Farmer Ben had very many chores to attend to. Farmer Ben had to feed all the farm animals, collect eggs, and milk the cows. He also had to clean all the farm animals’ roosts, pens, stalls, and other animal homes. After working in the hot sun all day caring for the animals as well as doing other chores around the farm, Farmer Ben was tired! Farmer Ben had a son, Joe, who was away at college studying philosophy; it was only his first semester. One night, while on the phone with Joe, Farmer Ben learned about what his son called a “Calculus of Felicity.” As Joe explained the t...