How has Lorenzo changed by the end

In the end of the story Lorenzo changed his personality because of his sister Olivia's influence. The main person made his change is his sister Olivia. Also Lorenzo change himself to become more outgoing and more talketive. When the last night live with Olivia "But that evening I danced, and when I danced I felt something I’d never felt before. I felt alive –it took my breath away. In a few hours I would leave that cellar. And everything might go back to the way it was." Here, this part shows the change of Lorenzo. Lorenzo changed himself because of Olivia, and Olivia use her dance to give Lorenzo hopes. In the end, Lorenzo found out the right way for himself. He become more mature and grew up.