They also hinted at an illness making its rounds last week (this week, technically I guess?) Josh could be literally sick AND banged up and just gutting it out each week.
You could feel it in the post-game sideline interview with him and Josh “when the chips are down, I’m riding with 17.” Whatever Josh is dealing with, Steph is first in line to pick him up. That speaks volumes, and I think Josh recognized it when he said it.