Complex sentence: Justin goes to visit Luigi who is moving to New York to work, and thanks him for taking care of Jessie and loving her when he couldn't, and they both say goodbye and see each other for the last time.
Split into simpler sentences: Justin goes to visit Luigi who is moving to New York to work and thanks him for taking care of Jessie and loving her when he couldn't. They both say goodbye and see each other for the last time.