Puzzle

3. What can run but never walk?
4. I'm created in seconds, remembered for years, and often start with "Remember when...?"
8. What gets sharper the more you use it?
9. What has a face but no eyes?
10. What can you break without touching it?
12. I can be given in seconds but remembered forever.
13. What's the only thing that gets lighter when you share it with a friend?

1. What gets shorter as it gets older?
2. If you throw a red stone into the Blue Sea, what will it become?
5. What comes down but never goes up?
6. I belong to you, but your friends know all about me.
7. What kind of band never plays music?
11. I have many names, but only one owner. Your friends use me more than you do.
12. The more friends I have, the stronger I become. The moment one leaves, I can break.