I know exactly how you feel, Jen.

My Simmy boy will turn 8 this Christmas. He has quite a few gray/white whiskers and fur around his muzzle. The whole tip of his tail is white/gray. His muzzle was pitch black when we got him. His tail was all tan.

I've been making Simba swim almost everyday. I get in with him. It's great excersize for old ailing bones and from articles i've read it helps with the pain, too.

As the many loving spoiled years he's had in the past, i'm sure he has plenty more to come, and the same with Duncan.