Answer:
I belong to you but others use me more often than you do
I am an English word with 3 consecutive double letters.
I start with T end with T and within me is T.
I am a seed with three letters in my name. Remove the last two and I still sound the same. What am I?
It rows quickly with four oars but never comes out from under its own roof. What is it?
It has no top or bottom, but it can hold flesh, bones, and blood all at the same time.