A poodle, a schnauzer, and a Great Dane are sitting around the waiting room of the vet's, chatting to pass the time. The poodle turns to the schnauzer and asks, "why are you here?"

"I'm getting old," the schnauzer responds. "Seventeen years. My eyesight ain't so good, my hearing's going fast, and sometimes I have accidents in the house. My master says I'm too old and sick, so he brought me here to be put to sleep."

Not wanting to be rude, the schnauzer asks the poodle "why are you here?"

"I've not been myself lately," answers the poodle. "I've been high strung. I''m barking all the time, and I even bit the neighbor's kid, that jerk. Nobody knows why this has been happening. My master says he can't risk me biting somebody else so he brought me here to be put to sleep."

After the poodle and schnauzer continued to commiserate for a moment, they turned to the Great Dane and ask: "why are you here?"

The Great Dane turns his sad eyes up to the other dogs and says, "well, my owner is this beautiful runway model. We used to get along great, until a few days ago. She was walking around the house naked, when suddenly she bent down to pick up something she dropped. Well, I guess I just couldn't help myself: I went right over there, and... and let nature take over."

The poodle hears this and asks, "so she brought you here to put to sleep?"

"Oh, no," the Great Dane responds. "I'm just here to get my nails trimmed."