Answer:
What hangs others yet can unintentionally hang itself?
What can burn the eyes, sting the mouth, yet be consumed?
I am a box that holds keys without locks, yet they can unlock your soul.
Slayer of regrets, old and new, sought by many, found by few.
I make you weak at the worst of all times. I keep you safe, I keep you fine. I make your hands sweat. And your heart grow cold. I visit the weak, but seldom the bold.
The warmer I am the fresher I am.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?