Answer:
What is so delicate that saying its name breaks it?
I shift around though always slowly. I never move more than a few inches at a time. A large movement by me can kill many people. I am huge yet unseen by humans.
I can fall off a building and live but in water I will die.
I belong to everyone. Sometimes make you happy sometimes make you sad. I will never end until the day you do.
I am a type of weapon for SCI-FI characters
What age most travelers have?