Jack Off Journal
A guy’s smelly notebook that keeps track of all his solo sex sessions. It lists the date, how long it took, and how much cum he dropped.
'February 3rd: Took 12 minutes. Got an 8. My brain was happy.'
'August 15th: Did it while eating. Got a 7. My brain was full.'
'December 25th: Slept through it. Got a 4. My brain was tired.'