Answer:
If you drop me I'm sure to crack. But give me a smile and I'll always smile back.
Blind but cruel.
How do you spell hard water with only three letters?
What is an acceptable act of violence during saint Patrick's day?
What occurs four times in every week, twice in every month, only once in a year but never in a day?
I am a room that has a roof but no walls. What am I?