Question: what are the 13 reasons that hannah killed herself?
Answer: Tape 1, Side A. Justin Foley, the guy she had a crush on and shared her first kiss w/, showed the racy picture he took to his friend(s). ... 
Tape 1, Side B. Jessica Davis, Hannah's former best friend who slapped her after accusing her of sleeping w/her boyfriend.
Tape 2, Side A.