Are you sure that you don't have a twin?
No, not entirely sure. It's quite possible I do have a twin but not highly probable.

What is the answer to "The Question"? (HHGTTG)
42
Why do I hurt?
Halo pinched you
Why do I fear?
You have Irock for a brother, you should be terrified.
Why do I feel joyful?
I'm your mom

(ok that was a little egotistical, but I couldn't think of a better answer

)
Why do I have a feelin'... that SOMEBODY'S WAAATCHIN' MEEEE!"?
See the answer to why do I fear

I actually missed these questions lol sorry it took me so long to answer