"Instead, think about putting on your sneakers and tying them, one at a time; entering the front door of the gym and walking to the first treadmill you see; stepping aboard and starting to move your legs, right leg first."

The analogy of going ahead and just doing it has been reiterated many times here - in comments/other articles.

proof of or the lack of - doesn't matter.

For some lazy few like me, these readings come in various flavours. Reading these nudges as a reminder to "just do it" and it works for a while atleast - before some distraction comes by.