Multiple characters: Mouth breather.
Eleven: Friends don't lie.
Mike Wheeler: Mom, if anyone asks where I am, I've left the country.
Eleven: Promise.
Joyce Byers: Maybe I am a mess. Maybe I'm crazy. Maybe I'm. Out of my mind! But God help me, I will keep these lights up until the day I die if I think there is a chance that Will is still out there!
Chapter Eight: The Battle of Starcourt - S3-E8
Jim Hopper: I'll see you in hell.
Answer: The body was fake, made by the scientists at Hawkins Lab in an attempt to cover up his disappearance and the existence of the Upside Down.