Answer:
If you lose me you may cause people around you to lose me too.
What do you get when you cross a snowman with a vampire?
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?
The more it dries the wetter it gets. What is it?
What is deaf, dumb, and blind, but always tells the truth?
Though not a plant, has leaves. Though not a beast, has spine. Though many wouldn't need this thing, It's more valuable than wine.