Answer:
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
Salty water everywhere but not sea in sight.
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.
It's the only vegetable or fruit that is never sold frozen, canned, processed, cooked, or in any other form but fresh
Do you know what you can hold without ever touching it?
I am your mother's brother's only brother in law. Who am I?