Answer:
He has one and a person has two. A citizen has three. And a human being has four. A personality has five. And an inhabitant of earth has six.
What relies on columns but isn't a house, and asks for help but can't speak itself?
I can be short and sometimes hot. When displayed, I rarely impress.
When does Christmas come before Thanksgiving?
Tall in the morning, short at noon, gone at night. But I'll be back soon.
What never gets any wetter no matter how hard it rains?