Because they don't appreciate random people knocking on their door.
Alien 2: Celebrating the existence of their mothers. Alien 1: I ate my mother. Alien 2: As did I.
Cause eight reindeer and a sleigh are a lot quicker than 6 pigs and a stoneboat.
one one appreciates good head
because he was in the middle of 9-11! Better phrasing recommendations appreciated :-)