Mark Duan likes Duan Xien for a reason
Both of them have the surname Duan
Both are Chinese-Americans
Both of them live in LA
Neither of them likes to talk.
Both of them look cold on the outside and hot on the inside
Both parents are good friends
In the eyes of the outside world, the two of them are incompatible with each other, but they are actually considered to be half-childhood sweethearts.