Long Riddles and Answers

Question: A man pulls over and goes into a building.He came back with a bucket of water,he dumps it on the sidewalk.Why did he pour the water on the sidewalk?

Question: What is at the begining of the end, the start of eternity, at the end of time and space, was in the middle of yesterday but is nowhere in tomorrow?

Question: I am pain, I am fear, I will take what you hold dear, Nations shudder when I'm near, Many die when I'm here. What am I?

Question: When people cut me, I do not bleed. They use me, but then they leave. I die, but then revive. I change my appearance as time goes by. What am I?

Question: Sam has two sons named Nathan and Daniel, Daniel is exactly 5 years older than Nathan and Daniel was born on February 29th 1996. How old is Nathan?