Answer:
I start with an E end with an E and have a letter in me.
What room do ghosts avoid?
I am an odd number that become even when beheaded.
Never ahead, ever behind, yet flying swiftly past, for a child, I last forever, for adults, I'm gone too fast.
Born of sorrow, grows with age, you need a lot to be a sage. What is it?
I am your mother's brother's only brother in law. Who am I?