Answer:
Many foods can make me strong but give me water and I won't last long.
Doing this with your job can be risky but doing it with smoking is always a good idea
Without what would everyone lose their head?
A king wears one on his head.
You fill it and it empties, A metaphor for plenty, Depending on what half you see, It's either full or empty
When is it bad luck to see a black cat?
Easy
Animal
Difficult
Food
Funny
Kids
Logic
What am I?