At least she can console herself with Cobra Kai
This letter covers the gamut of human sentiments, from love to betrayal. When the author was twelve years old, she created it herself. The intended recipient? Ralph Macchio, a renowned Crane Kick specialist. This note never even had a chance to reach its destination: the Karate Kid.
She betrayed him by giving it to her mother, who put it away or something and promptly forgot about it. However, she may have been doing her a favor, as evidenced by the line, “When I look at you on my posters, my skin crawls.”