"Mom! Mom! You won't believe this, me and Joey were down at the creek and-"
"Mikey, what have I told you? 'Joey and I were down at the creek.' Subjects use the subjective case."
"But Mom that stuff's not important right now! You gotta-"
"Not important? Without proper grammar, how would we communicate effectively? If we let the rules slide, then soon no one will know what anyone is talking about. You'd need a dictionary and a phrasebook just to talk to your neighbor."
"Mom, it's literally the end of the world-"
"Don't use 'literally' figuratively, Mikey."
"Mom... I'm not..."