Answer:
Longer than a decade and shorter than a milennium
What is something that can go up quite easily, but is not as easy to bring back down?
Blue lives in the blue house, Mr. Pink lives in the pink house, and Mr. Brown lives in the brown house. Who lives in the white house?
Dry though I may be, I am still a sea.
Temporary evidence of where you've been strolling
A leathery snake, with a stinging bite. I'll stay coiled up, unless I must fight.