Answer:
What is yours but only used by others?
It has the biggest wall and is also used when drinking tea.
There is a woman in a boat, on a lake, wearing a coat. If you want to know her name, it’s in the riddle I just wrote. What’s the woman’s name?
What has two ends but no beginning?
A father's child, a mother's child, yet no one's son
What never gets any wetter no matter how hard it rains?