Answer:
What gets sharper the more you use it?
I can be cracked made told and played. What am I?
Die without me, never thank me. Walk right through me, never feel me. Always watching, never speaking. Always lurking, never seen. What am I?
What can you catch but not throw?
I can wake you up in the morning but I require no electricity or winding.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?