A: Can I borrow your class notes?

B: Sure, but didn't you take any down?

A: I couldn't really see the board.

B: Do you sit too far away?

A: I think I just need new glasses.

B: You should be careful. It could be serious.

A: What do you mean?

B: You could have a concussion.

A: Or worms could be eating my eyes.

B: Maybe you're a robot and your batteries are dying!

A: I'm pretty sure I just need new glasses.

B: Even so, you should probably buy some batteries.

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