Gwen: I know. Isn't it adorable?
- Chapter I: Let Me Kiss You, by Nancy Sinatra.
- Chapter II: Mysteries, by Beth Gibbons & Rustin Mann.
- Chapter III: Love Comes Quickly (Blank & Jones Mix), by the Pet Shop Boys.
- Chapter IV: September Song, by Bryan Ferry.
- Chapter V: A Boy And A Girl, by The Trash Can Sinatras.
- Chapter VI: Can't Smile Without You, by Menswear.
- Chapter VII: Goodnight, by Buffy Sainte-Marie.
- Chapter VIII: We Are Monkeys, by Travis.
- Chapter IX: A Certain Sadness, by Astrud Gilberto.
- Chapter X: Spaceman, by Belly.
- Chapter XI: When The Levee Breaks, by A Perfect Circle.
- Chapter XII: Real Love (Acoustic), by John Lennon.
- The End: 12 Reasons Why I Love Her, by My Life Story.
12 Reasons Why I Love Her contains examples of:
- Anachronic Order: Obviously.
- Boy Meets Girl: At a movie theater.
- Care Bear Stare: Gwen's glances have that effect on Evan.
- Cool Teacher: Evan, a very sensitive 8th grade English teacher.
- Destructive Romance: Pretty much.
- Diary: Both Gwen and Evan, have chapters that look like diary entries and add depth to the characters.
- False Soulmate: By the looks of it...
- False Start: Their first date is this.
- Fidelity Test: Ffreddie...
- Manic Pixie Dream Girl: Gwen is this to Evan. For the most part...
- Romantic Comedy: Not always, though.
- Screw Politeness Im A Senior: A not so sweet granny, verbally attacks Gwen and Evan, because she sees them coming out of a movie theater showing The Exorcist. In her defense, she was just trying to save their souls...