Answer:
I'm really blue but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt.
The more you take the more you leave behind. What am I?
When I am alive, people sing. When I am dead, people clap hands. What am I?
Soft hairy from door to door. I am the pet that always stays on the floor.
I welcome the day with a show of light. I steathily came here in the night. I bathe the earthy stuff at dawn but by noon, I'm gone. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.