
The Phoenix Saga (2): The Dark Shroud - S3-E4
Continuity mistake: When Xavier is looking out at Banshee and Moira from the window to his room, he is facing the window directly. When the shot changes, his left profile is now facing the window. (00:17:31)
Answer: None at all. It's played for laughs and that's all. If we really wanted to give it a real-world explanation, we can speculate that maybe Ross stormed out of the tanning salon without giving the staff a chance to recommend a shower.