Answer:
I cover what's real; hide what is true, but sometimes bring out the courage in you. What am I?
Always in you, sometimes on you. If I surround you, I can kill you. What am I?
My first is second in line; I send shivers up your spine; not quite shining bright I glitter in the light.
I am used for light yet I am solid. Without me you would feel enclosed. I hate being touched especially with a lot of force. I like to be in buildings.
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?