I have the luxury of being able to train at home, and the neighbours are pretty cool too. I don’t have to worry about disrupting people in a gym by getting excited, blasting loud music etc.
When I lift, especially when I get to my heaviest set of the day (usually 1 @ 8), I tend to hype up quite a lot. By doing this, I can turn an @ 9 or even @ 9.5 into an 8.
However, will doing this potentially impede recovery long-term, given that I am using heavier loads than I would had I calmed down a little? I’m talking an extra 20-25lbs of weight on the bar on squats and deadlifts. It doesn’t seem to work as well for bench (maybe 5lbs or so).
NB: If being hyped could be rated on an exertion scale, I would not rate it as high as @ RPE Westside Barbell, but it’s certainly NOT calm at all.
As you noted, the more “hyped” you get for a given set, the more fatigue it can generate. We like the descriptor “controlled aggressive” for these sorts of efforts intraining.
With that said, it’s still a submaximal single, rather than getting insanely hyped up for something like 5 reps @ 10, which is extremely taxing from a psychological AND physiological standpoint.