Things were written down, so they likely helped her remember them?
BS. Her journals from JUNIOR HIGH are the rantings of a spoiled brat who was being punished by parents trying to keep her from growing up into the adult that she did. EVERYTHING is the biggest deal ever to a Jr. High girl, and her journals reflected that. The only reason writing in the journals helped Jodi remember is because she could read them and remember "how awful" her parents were...