Answer:
It's in your hand though you can not feel it. Only you and time can reveal it.
I wiggle and cannot see; sometimes underground and sometimes on a tree. I really don't want to be on a hook and I become a person when combined with “book”.
The Titanic is still here. What am I?
My first 2 letters signify a male. My first 3 letters signify a female. My first 4 letters signify a great. I signify a great woman. What word am I?
Who is your mother's only sister's son's brother's aunt's daughter's sister's father?
No matter how little or how much you use me, you change me every month.