Martin: Why does Lilith have to tag along anyway?
Frasier: Well, she just didn't want to spend the holiday alone. Her husband is off in New Zealand, exploring a volcano.
Martin: Why couldn't she go with him?
Niles: Well, because if she accidentally fell in, the shock wave from the hottest thing in nature meeting the coldest would actually crack the Earth in two.
Frasier: As if a smile from Maris couldn't freeze Mercury.
Martin: Guys, let it go. Nobody's going to win this one.