Damn Bobby is screaming at us during the intro lol. So you asked if I think restraining from sex is a good idea when you’re focused on something physical/mental related and competing.
I say yes it is a better way to do it, sex releases endorphins and can change body chemistry and mental sharpness. Now as far as rubbing one out before a date, I would not do that in my 40s, but definitely in my 20s as my testosterone levels have changed lol.