Max is a creature who likes his comforts and will resist any initiative to get him off his favorite chair.
This is particularly true when it comes to his 10 PM walk. He has mastered the passive part of passive-aggressive behavior.
Submitted as proof of this hypothesis:
No doubt you think the production values rival those of Spielberg. You’re right. Marvin Spielberg that is, the dentist from Poughkeepsie.