Answer:
I am a fire's best friend. When fat, my body fills with wind. When pushed to thin, through my nose I blow. Then you can watch the embers glow.
What goes with a car, comes with a car, is no use to a car but a car cannot move without it?
The French word for 'fun size' in women's clothing.
By Moon or by Sun, I shall be found. Yet I am undone, if there's no light around.
Something wholly unreal, yet seems real to I. Think my friend, tell me where does it lie?
What is so fragile that saying its name breaks it?