Answer:
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
What kind of cheese is made backwards?
I belong to everyone. Sometimes make you happy, sometimes make you sad. I will never end until the day you do. What am I?
I'm blue, but when you see me I'm red. You don't see me too often. I'm there for you if you're hurt, but I'm good for you. What am I?
I am drawn by everyone without pen or pencil
It's what light turns into in the night