Answer:
I am a protector. I sit on a bridge. One person can see right through me while others wonder what I hide.
I run around the streets all day. Under the bed or by the door I sit at night never alone. my tongue hangs out waiting to be fed during the day.
You seek me out when your hunger's ripe. I sit on four legs and smoke a pipe.
u always follow me but I am rarely seen
Poor people have it. Rich people need it. If you eat it you die. What is it?
What never gets any wetter no matter how hard it rains?