Answer:
There is one in every corner and two in every room.
What fiveletter word, no matter how you pronounce it, is always pronounced wrong?
What can't you see, hear or feel, until it’s too late. What shadows love, and shopkeepers hate?
It is something you will never see again.
Humans have two that shrink in the light and expand in the dark
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?