I have found in life that often the things that upset us are things of our own making, and/or our perspective. Here a dog seems to think the water is alive, and he attacks, but also contributes to its movement toward him. Maybe he's upset because he can't control this strange "flow." Maybe he really is crazy. Still, it reminds us all whenever we get upset to first stop and ask ourselves, "what am I contributing to this situation?" "Is this something God wants me to get upset over?" "What do I get for being this upset?" So be careful when attacked by a stream of water in the sand...it maybe be just a stream of water. Relax, reflect, response, rejoice!