Good Riddles

Question: The more you add, the less it weighs.

Question: I'm simple for a few people But hard for them to hear I live inside of secrets I bring people's worst fears What am I?

Question: Rarely touched but often held If you have wit, you'll use me well What am I?

Question: A horse jumps over a castle and lands on a man, then the man disappears. How was this possible?

Question: Look at my face, I am somebody. look at my back, i am nobody. What am I?