What's the relationship between Andy and Li Xian?

Andy and Li Xian are college classmates and very good friends. The two worked together in the TV series "Dear, Dear" and played lovers in the drama. The tacit cooperation and natural interaction left a deep impression on the audience. All this is created for the sake of art and does not represent the emotional state in real life. In real life, Andy and Li Xian have a very friendly relationship. They often get together, chat and encourage each other. They often discuss scripts and exchange ideas together when shooting "The Scenery of the Country", and they have a deep friendship with each other.