Roughing out your brain will make you smarter and diplomatic, this is however limited by the natural genetic evolution of the human brain, which: compared to godlike smoothness is impossible for anyone to comprehend, unless they are indeed on the godlike level. Roughing it out also comes with a few cons, first being bigger head, and bigger body (obesity closely associated with "big-brainers"). This will definitely slow you down, both in thought and athleticism. Most often, the bigger-brainers are known as "party-poopers" as they come up with boring, too complicated to understand or care for explanations to anything and everything they come across, which is also considered extremely boring.
Pajama casual is a term used when working from home and preparing for a video conference. All business above the waist and your pajama pants down below.