alt Hacker NewsMaybe for some it's a lot more extreme than for others, but even if it's not so dramatic as to be categorized as a mental illness wouldn't you want to know if, say, there were a direct correlation between whether you went for your morning run and your mood later in the day?
Is this something that needs to be tracked to bring into your awareness? We have a memory storage device sitting on top of our spine. When I drink I feel drunk. Easy. If the change is noticeable you will notice it and remember it.
I am just trying to save you time and escape the cycle of "optimizations" which is where all this data logging leads.