Answer:
What is always on its way but never arrives?
One am I, among six others: Largest, smallest, cold, dark and two brothers
It belongs to you, but other people use it more than you do. What is it?
What always comes into the house through the keyhole?
Controlled by your hands and feet. It would be nothing without a street. What is it?
I am a room that has a roof but no walls. What am I?