Answer:
What has a head but never weeps a bed but never sleeps can run but never walks and banks but no money?
Take it and you will lose or gain more than the others.
If two is company and three is a crowd, what is four and five?
I sleep when you are awake, I am awake when you fall asleep. I can fly but no feathers to aid my flight. 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?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.