Answer:
I am rarely touched but often held. If you are smart you'll use me well. What am I?
The Titanic is still here.
I am full of holes but still holds water.
What can fill a room but takes up no space?
I am good at concealing what's real and hide what's true. Sometimes I bring out the courage in you!
I am a rock group with four members. All dead one was assassinated.