It was not all that unusual for boys long ago to enter monasteries as young children. It was a way for them to be educated and then often prepared for life as priests or monks. Isaac was one such young man.
Clarice Mariscotti was probably a typical upper-class girl in Viterbo, Italy, in her time. As a teenager right at the beginning of the 1600s, she liked to have fun. Her father, Count Antonio of Mariscotti, and her mother, Ottavia, who was descended from royalty, were quite wealthy, so she had the finest clothes and education.
People need work so that they can buy food and clothes and pay for a place to live. They need God so that they will be happy. John (Giovanni) Bosco was a priest who tried to teach poor children how to work and how to love God.