 When Sid's father fails to prevent his mother leaving, Sid explodes with anger, and this demonstration of strength improves Sid's relationship with his father in the long run.Also, Sid goes on a 'mission of love' to profess his love to Cassie in the final episode of the first series, and later in the second series where he searches for her in New York City.He shows Cassie's picture in Times Square, but no one recognizes her.