Like others said, I'd definitely have his knees checked for LP (luxating patella) next time you're at the vet...it's nothing urgent, but it'd be good to check out.
__________________ ~ A friend told me I was delusional. I nearly fell off my unicorn. ~
°¨¨¨°ºOº°¨¨¨° Ann | Pfeiffer | Marcel Verdel Purcell | Wylie | Artie °¨¨¨°ºOº°¨¨¨° |