Answer:
I am owned by every man though my length differs. Their wives uses me after getting married.
People need me, yet they give me away every day. What am I?
I have a little house in which I live all alone. My house has no doors or windows and if I want to go out I must break through the wall.
Take away my first letter take away my second letter take away all my letters and I would remain the same.
You see a boat filled with people. It has not sunk but when you look again you don't see a single person on the boat. Why?
Whoever made me don't want me. Whoever bought me don't need me. Whoever use me don't know me.