Talk:2679: Quantified Self
This could also be a call back to the Billy Path comics run in Family Circus. I don't have time today to add that research though. 172.70.214.59 16:00, 30 September 2022 (UTC)
Here is an explanation of what it is about https://www.reddit.com/r/OCD/comments/1ve309/invisible_thread_attached_to_my_back_am_i_the/