Answer:
There is an ancient invention still used in some parts of the world today that allows people to see through walls. What is it?
Its days are numbered.
What is something you can give away as many times you want without ever losing it?
It has the biggest wall and is also used when drinking tea.
A person's greatest asset.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?