HORSE: So dog why are you going to the Vet? DOG: Well, last night when my owner got home I was so glad to see him I started to hump his leg. HORSE: Oh, getting neutered huh? DOG: Yep. So horse why are you going to the Vet? HORSE: Well last night my owner decided to go skinny dipping in my water trough and when she bent over I couldn't resist and I tried to mount her. DOG: Oh, so you're getting neutered too! HORSE: No, no just getting my hoofs trimmed!