In the heady days before consent forms and drop-of-a-hat lawsuits, patients didn't realize what they might be in for if they underwent surgery at a teaching hospital, and doctors took advantage of this fact. While a patient was under, a surgeon might invite a student to practice an appendectomy. Never mind that the patient didn't have appendicitis.
(p. 30, Stiff: the Curious Lives of Human Cadavers. Mary Roach.)
The lover cannot paint his maiden to his fancy poor and solitary. Like a tree in flower, so much soft, budding, informing loveliness is society for itself, and she teaches his eye why Beauty was pictured with Loves and Graces attending her steps. Her existence makes the world rich.