Answer:
I don't live within a house, nor do I live without. Most will use me when they come in, and again when they go out. What am I?
I go up and never come down no matter how hard you wish. As I get higher more wrinkles crawl onto your face.
To cross the water I'm the way. For water I'm above I touch it not and truth to say I neither swim nor move.
What kind of room has no doors or windows?
Blade to blade I always win My foe laid low and even. Yard by yard through thick and thin I'm busiest in season.
Do what he says and you'll be fine, don't and you lose the game.