Complex sentence: Giancarlo decides to retire from opera singing, because he prefers working as a mortician and spending time with his family, but he appreciates being given the chance to live his dream of performing Pagliacci, and his success has mended the relationship between Michelangelo and Hayley.
Split into simpler sentences: Giancarlo decides to retire from opera singing, because he prefers working as a mortician and spending time with his family. But he appreciates being given the chance to live his dream of performing Pagliacci, and his success has mended the relationship between Michelangelo and Hayley.