This reminded me of Revealed Preference Theory[1], which is about observing consumer choices, but the idea is broadly summed up as "It is not what you say, it i

This reminded me of Revealed Preference Theory[1], which is about observing consumer choices, but the idea is broadly summed up as "It is not what you say, it is what you do that reveals what you want." or who you are. 1. https://en.wikipedia.org/wiki/Revealed_preference https://en.wikipedia.org/wiki/Revealed_preference