This video right here shows that smoking meth and getting punched in the face as well as those "hittin drills" can severely affect mental performance. That's why he should take Onnit's Alpha Brain! Double blind placebo study nootropic increased mental performance T+ WARRIOR BARS KETTLEBELLS,BATTLEROPES HAHAHAHAAHAHAHAHAHAHAHAHAHHA ONNIT
Dan's handspeed is already outrageously fast, so I cannot imagine it on Alpha Brain