Riddle #243

Question: A man leaves his house in the morning and kisses his wife. On his way home from work he sees that somebody has hit a power line. He immediately knows his wife has died.

How did he know this?

Question: People see through me, but none pass through without killing me. I can be anywhere, and can be seen double or single. What am I?

Question: During what month do people sleep the least?

Question: When is 99 more than 100?

Question: What can be broken but never forgotten?

Question: What gets broken without being held?