Answer:
I fly when I'm on and float coming off.
I am constantly overlooked by everyone but everyone has me.
I make everyone blind. You can't see me but I will always come back for you. What am I?
What word becomes shorter when you add two letters to it?
If you look, you cannot see me. And if you see me, you cannot see anything else. I can make anything you want happen, but later everything goes back to normal. What am I?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.