well do you know if NCOs of the Marching Batallion n°24 of the French 1st Motorized Infantry Division used british revolver holster after the Sicily landing in 1943 ?"
It seemed to me that only more neurodivergent types are the ones that would be inclined to start studying some random thing like this instead of going out to socialize.
Oh so it's to avoid socializing? Makes sense, I've at some point happily learned Arabic, bandweaving, archaeology, electrotechnics, botany to name just a few ...