Humorous joke: I silently walked to the balcony and lit a cigarette. Why does my eye have a corner?

Humorous joke: I silently walked to the balcony and lit a cigarette. Why does my eye have a corner?

As soon as she got home, she sent a message: "I enjoyed the trip very much, especially your double room got up at midnight every night to tuck me in." Thank you! " I silently walked to the balcony and lit a cigarette. Hey, how can tears fall from the corner of my eye? ...