She would love to play with him more but he's just not that interested in playing anymore. Mostly he sleeps these days. She's pretty good about avoiding him when she goes on her wild zoomies down the hall or in the dog run. She'll whiz past him, leap over him, and she's even stopped on a dime and spun around to go the opposite direction rather than crash into him.
That first month, where she had to learn to live with both Halo and Keefer and their various disabilities and idiosyncracies, was a master class in dog communication skills, and she's been a very good student.