I think overthinking and coming up with bad excuses is just a symptom, not a cause. First the human does something their rational mind didn't want to, because t

I think overthinking and coming up with bad excuses is just a symptom, not a cause. First the human does something their rational mind didn't want to, because the rest of the brain outvoted it, and then the mind comes up with an explanation to feel more in control. I'd actually be surprised if there's much correlation between understanding physics and having one's weight under control.