Thats EXACTLY what my Retriever used to do.
It was always the same process.
Dog spots muddy puddle.
Dog looks at owner and wags tail.
Owner says in a calm, yet assertive manner "Don't even think about it"
Dog begins the walk towards puddle with tail wagging slowly. Not frantic excitement but...
Had a couple of scary ones with my dog. One was when I was walking him in a park when suddenly he just WENT. Completely ran off through a bush. I heard a tyre screech and was already in tears in anticipation of killing the family god (I was about 13/14).
Needless to say I walked through the...