Father time cannot be denied. He would be a 3 year - at most - pick up. A big difference between Nash and Cousy/Stockton is medical advances and Nash's training. Nash's off-season and in season training does not get enough credit. He is a physical freak and fitness freak.
I disagree on Jose being a mere pup next season at 31. I also disagree with the impact of the Olympics. That is a topic beat to death so I'll spare everyone again. My comments are here in the thread on the matter.