"You were out badly-cropping memes again, weren't you!?"

I read it as "you were at the library fucking a nerd"

Me and your mom, we're worried about you. Humans need other humans. You can't isolate yourself from the world like this forever. What will you do when we're gone?

This actually isn't that far off from a conversation with my parents in my late teens. But replace weed with alcohol and library with arcade.

Jokes on you! I smoke weed at the library!