Brody has reached the 'conservation of energy' stage of greyhound life. It's not that he hasn't enjoyed his retirement from day one - he has. It's more a matter of letting the other dogs take the lead in matters of moving.
He's so confident in how well he trained Boo when she was just a foster greyhound that he lets her handle most of the 'greyhound greeter' responsibility now. Sure he'll get up when we come home, but only if he's thirsty or needs to go out sooner rather than