Answer:
What is it that given one, you'll have either two or none?
What eight letter word has "kst" in middle, in the beginning and at the end?
Can you think of a crime that is punishable if attempted but not punishable if actually committed?
What is as light as a feather, but not even the strongest man on earth can't hold it for more than 1 c)minute?
If someone calls you this, it might be time to consider hot wax
I am a room that has a roof but no walls. What am I?