I am amazed at how well he is doing, all things considered. He will be 15 come Christmas, and has been walking on 3 and 1/4 legs for 3 years. I do sometimes think of having him use his wheelchair with his legs up like they have paralyzed dogs do, if only because it might be easier for him to play at the beach without having the awkwardness of his bad leg getting in the way. But then I revert to the idea of it being good to use that bad legs as much as possible....
He still comes up and visits me at night on my bed on cooler nights (we have had some late heat waves here in Nor Cal this year) which always warms my heart.
He doesn't follow me around the house quite as much as he used to, but it is hard to quantify. Mostly, I can go to the bathroom in the evenings and get back to the living room without him checking up on me more often now whereas before he would come find me if I was gone for more than 30 seconds. In the mornings he follows me more becuase he is waiting for his breakfast.
He still loves his belly rubs and getting his back/bum rubbed. He will stretch out his legs (good and bad) when I do that.
And in the evenings, he usually goes to bed in my bedroom around 9PM, and comes back out to the living toom to remind me to go to bed around 9:30. Always makes me smile, the old man coming out to tell me to go bed