Always There
Even when the couple first met, the journal was already there. It matched well with Steve’s personality and even added to his charm for Claire. It seemed natural that a black-rimmed glasses-wearing jazz lover would keep a private journal.
Creepy World
It even became a joke between them, where Claire would tease Steve about it and whenever she asked him what he would write in his journal, he always gave her one vague answer father the other “just random thoughts, nothing important”.