Answer:
There is one in every corner and two in every room.
It keeps you on the ground and stops things from floating around. What is it?
An image taken from real life
What is the word that even in plain sight remains hidden?
I am not alive, though I never die, to no one I've ever told a lie, today I can be god's warrior, and serve him with no horror, but tomorrow I might be devil's knight, for I am what ends the light.
A little house full of meat, no door to go in and eat.