Answer:
Hearing something unexpected or touching a live wire can have this effect.
What can be any size or shape and gets bigger the more you take from it?
A tower at the root of all confusion.
What gets broken when you don't hold it?
The celebrities of high school were part of this crowd.
They come to witness the night without being called, a sailor's guide and a poet's tears. They are lost to the sight each day without the hand of a thief.