Learn English – the meaning of “I read a book once”

meaning-in-context

I saw an image on Missed Connections few days ago, and the image text is:

Friday, January 29, 2010
– m4w – 23 (L train)

How did you get those bruises? I wouldn't let anything happen to you.
You were reading some book, and taking notes. I read a book once.

And I saw people comment below that the last sentence "I read a book once" is really sad… but I don't quite understand the hidden meaning of that sentence.

Thanks for your help.

Best Answer

The writer of the "missed connection" note is grasping at straws (<- useful English expression) to create some kind of connection to the person whom he encountered on the L train. He knows nothing about her other than that she was reading a book and had some bruises. "I read a book once" is a clumsy, funny way of saying, "Hey, I have something in common with you! You obviously read books, because I saw you reading. And you know what? Some time in my past, amazingly, I also read a book! (So that's enough for you to contact me and maybe we can go on a date.)"

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