Answer:
I go around in circles, but always straight ahead. Never complain, no matter where I am led.
It's got twists and turns, but has no curves. Twist it to fix it, turn it to ruin it. What is it?
What always runs but never walks, often murmurs, never talks, has a bed but never sleeps, has a mouth but never eats?
What goes further the slower it goes?
What is it something that you always have but you always leave behind?
I will disappear every time you say my name.