"Guess who left his Facebook open and got a message from Kelsi? Yeah! You!" she writes.
"But don't worry, I didn't break anything!"
The woman then tells her cheating beau that she was "nice enough to package" his possessions.
"And I even invented a neat game, since I know you like looking for things (like other girls!)."
She tells him she's left his clothes where they first met, his video games where they first kissed, his television where they first went "all the way".