Something to follow.

Question: Having one, means having something to follow. Once you question it, it means having none. People seek it, but some do and some don't find it. What is it?

Question: What has a bed that you can't sleep in?

Question: What can be broken but never forgotten?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

Question: What cannot be seen or felt, but can only be broken by voice?

Question: What tastes better than it smells?