But the less friction and pressure there is, the longer it's going to take you to shoot your load. So you'll be up Joel's arse much longer than, say, Idrissa Gueye's.
I'm not sure you've thought this through.
I didn't appreciate that the goal was to ejaculate into a player's butt.
In that case you make a good case. Except I imagine the struggle to penetrate would make one quite nervous and return a flaccid cock, thus extending the experience.
Great question, therefore, real tough one to answer. Good luck boys.