Answer:
I have an eye but cannot see. I take time to generate and can dissipate in seconds. What am I?
In Paris but not in France the thinnest of its siblings.
I have thirteen hearts but no body or soul.
I am a mountain at night, meadow at day. What am I?
I hide in a dark tunnel awaiting my time. I can only be released by pulling back. Once released I may do unstoppable damage.
Almost everyone needs it, asks for it, gives it. But almost nobody takes it.