Going Down [Six Feet Even?]

Tao is trying to get along with Nick Nelson. (Really, he is.)
Nick is trying to get along with Tao Xu. (It's bloody hard.)

It's all for Charlie's benefit anyway, so this isn't about either of them, but when they suddenly get trapped together in the elevator of the hotel they're staying in, it's all too convenient that they start arguing to pass the time.