Good Riddles

Question: It cannot be seen, It cannot be felt, It cannot be heard, It cannot be smelled, It lays behind stars and under hills, and empty holes it fills. It comes first and follows after, ends life and kills laughter. What am I?

Question: A powerful spell, the naive knows it well; one cast at an affair for your most popular gown. No sticks, no stones, a mage sans tomes, a fight, no toil but it still breaks you down.

Question: Winning isn't everything. It is ......

Question: What has a face and two hands?

Question: Why did 6 run away from 7?