Answer:
What is neither inside the house nor outside the house but a necessity for any home?
Both punishment and sweet reward, It will befall both fool and lord. It is a spiritual scoreboard, Your every deed it does record.
Its title means book.
Three little letters. A paradox to some. The worse that it is, the better it becomes.
What weaves webs as they grow?
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?