"I wish you wouldn't do that" and "You shouldn't do that" are equivalent statements (assume you do not know the speaker/writer well enough and have to rely on the words alone).
You overhear (in person) an awesome turn of phrase (either funny or profound) in a conversation. Do you think it's okay to use it in your own writing?
Yes. That's how a language evolves and grows.
Not without credit.
How do you primarily read fan fiction?
On your computer.
On a portable device.
Printed out on paper.
You don't read fan fiction.
TICKY BOX! >:0!
YOU KNOW I AM REALLY SICK OF "YOU'RE FROM HUNGARY? WANT SOME FOOD?" JOKES.
WHAT? I NEVER SAID THESE CAPSLOCK ASIDES HAD TO BE RELATED TO ANYTHING.