>They didn’t need any help getting motivated, however. Carmack, in particular, seemed almost inhumanly immune to distraction. One time, Jay tested Carmacks resolve by popping a porno video into the VCR and cranking it to full volume. Romero and the others immediately heard the “oohs” and “aahs,”and, turned around cracking up. Carmack, though, stayed glued to his monitor. Only after a minute or so did he acknowledge the increasingly active groans. His sole response was “Mmm.” Then he returned to the work at hand.
Source:
https://github.com/jacobo-mc/quake_megarepo/blob/main/masters-of-doom.pdf

I don't actually care about this argument, it just reminded me of this passage. Also, funny how the entirety of Masters of Doom is being hosted on github for some reason.