https://www.youtube.com/watch?v=zoKJpTDH4eo He was hilarious when he jumps in the lake at the end haha. :D

I have a chocolate lab about to turn 12. He seems pretty healthy for his age. Except his back legs are getting weaker and he seems to cough a lot more. When he was younger, we took him to the lake a lot and he loved it. I want to take him to the lake but i'm afraid to since he's so old. He...