Answer:
I am a protector. I sit on a bridge. One person can see right through me, while others wonder what I hide. What am I?
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
What is always coming but never arrives?
2 in a corner 1 in a room 0 in a house but 1 in a shelter.
I have thirteen hearts but no body or soul. What am I?
No matter how little or how much you use me, you change me every month.