According to Jim - The Tale of the Tape (1)

Seizoen: 5 - Aflevering: 2 / 108 - Eerst uitgezonden: 27 september 2005 - Episode ID: 5765

Jim worries that Cheryl's romantic expectations will increase when his new brother-in-law, Ryan, showers Dana with flowers and gifts. But then Jim learns that a special blues tape Cheryl supposedly made for him when they were dating, and that made him fall in love with her, was actually made for her by an old boyfriend