Answer:
I have a pet, his body is full of coins
Hearing something unexpected or touching a live wire can have this effect.
A person who chews the ends of their fingers
What is as light as a feather, but not even the strongest man on earth can't hold it for more than 1 c)minute?
What goes up and down without moving?
I am the fountain from which no one can drink. For many I am considered a necessary link. Like gold to all I am sought for, but my continued death brings wealth for all to want more.