Answer:
I have a head and a tail but my eyes can never see my tail.
Never ahead, ever behind, yet flying swiftly past; for a child, I last forever; for an adult, I'm gone too fast. What am I?
I am a word. I become longer when the third letter is removed.
I have married many women but have never been married. What am I?
I can generate fear and some say I come out of your ears. I am as quiet as a mouse but not welcomed in the house.
The answer I give is yes, but what I mean is no. What was the question?