Nothing odd or off kilter at all. Hasn't anyone here been so focused that they are chomping at the bit between sets to kill it again? I've never used preworkout stims in my life but to see me back in the day I looked like a man possessed between sets, pacing and talking to myself.
Pay attention people, this is a perfect example of drugs drive and genetics. Has nothing to do with what exercises he is doing. Like him or not he's doing what he needs to do to win again and if he peaks correctly he will.