Answer:
Break me and I am better immediately set and harder to be broken again.
From house to house I go, sometimes narrow, sometimes wide. Whether there's rain or snow, I always stay outside. What am I?
In all the world, none can compare, I am a tiny weaver; my deadly cloth so silky and fair. What am I?
I've been argued on my color. Without me you'll die. So many attempts on your life use me so make sure you have many of my White friends.
If lightning strikes an orchestra, who is most likely to get hit?
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.