So... you're basically saying it works? Because that's what it does in practice. The other person is the external motivator for keeping attention on the task.
> you might be surprised how much worse it gets later in life, especially if you have been taking them since youth
Got any support for that? (Not being dismissive; never heard of that beyond the usual "effectiveness goes down over time")
> If you doubt this, there is very little mention of body doubling in literature outside of blogs:
Yup, there's still little in terms of specific research, but if you look at the papers about externalising motivation/triggers... it's close to a specific implementation of those ideas rather than a separate thing.
