Dr. Dave had slept with one of his patients, and felt guilty all day long. No matter how much he tried to forget about it, he couldn't. The guilt, and sense of betrayal of his Oath was overwhelming. But every once in a while he'd hear an internal, reassuring voice in his head that said: "Dave, don't worry about it. You aren't the first medical practitioner to sleep with one of their patients and you won't be the last. And besides, you're single. Just let it go..."
But invariably another voice in his head would bring him back to his conscience, whispering:
"Dave ....
Dave .....
Dave......
....you're a Veterinarian"