One famous writer had an affair with a married man and his wife!

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After exiling himself, Byron wrote Augusta a letter. He said, "I have never ceased nor can cease to feel for a moment that perfect and boundless attachment which binds me to you, which renders me utterly incapable of real love for any other human being — for what could they be to me after you? Whenever I love anything, it will be because it reminds me in some way of yourself."

Romantic Outlaws author Charlotte Gordon told Snopes, "According to a letter Percy wrote, it's there she declared her love for him. We don't know how far they went. But they always referred to that day as his birthday."

Before that, however, Clairmont had a brief relationship with Lord Byron (he really did get around), which resulted in the birth of his daughter, Allegra.

Her husband and the police went to the hotel, where he spotted her reading a newspaper featuring an article about her disappearance. However, when her husband went up to her, she seemed not to recognize him.

Over the years, people have speculated that her disappearance was a publicity stunt because she wasn't very famous when it happened, or that it was the result of a nervous breakdown following her mother's recent death. However, at the time, a pair of doctors corroborated her husband's claims that it was because she had a possible concussion and amnesia.

He continued, "I was well convinced the same discipline from her brother would have produced a quite contrary effect; but from a man of his disposition, this was not probable, and if I abstained from meriting correction, it was merely from a fear of offending Miss Lambercier, for benevolence, aided by the passions, has ever maintained an empire over me which has given law to my heart. This event, which, though desirable, I had not endeavored to accelerate, arrived without my fault; I should say, without my seeking; and I profited by it with a safe conscience; but this second, was also the last time, for Miss Lambercier, who doubtless had some reason to imagine this chastisement did not produce the desired effect, declared it was too fatiguing, and that she renounced it for the future. Till now we had slept in her chamber, and during the winter, even in her bed; but two days after another room was prepared for us, and from that moment I had the honor (which I could very well have dispensed with) of being treated by her as a great boy.

Who would believe this childish discipline, received at eight years old, from the hands of a woman of thirty, should influence my propensities, my desires, my passions, for the rest of my life, and that in quite a contrary sense from what might naturally have been expected? The very incident that inflamed my senses, gave my desires such an extraordinary turn, that, confined to what I had already experienced, I sought no further, and, with blood boiling with sensuality, almost from my birth, preserved my purity beyond the age when the coldest constitutions lose their insensibility; long tormented, without knowing by what, I gazed on every handsome woman with delight; imagination incessantly brought their charms to my remembrance, only to transform them into so many Miss Lamberciers."

He continued, "There is nothing extraordinary in having sex once a day. People recommend now, to live to be old, you have to have sex at least three to four times a week. That is not that much less than what he was computing, and if you think [he would] go in the brothel, spend half an hour, and then come back, it is not so far-fetched in terms of numbers and in terms of what it actually meant.

I was raised knowing that that was something that he would do. I knew he would, and that was fine. It was not an issue because it didn't detract from his fatherly duties and husbandly duties either."

Narrator Peter Coyote said that Mary "enjoyed the sexual part, cut her hair short, and bleached it platinum, because it excited him, and sometimes pretended that she was a boy, and he was a girl. He dyed his hair too."

Mary journaled about her husband being the best lover she'd ever had. In an entry that Hemingway added to Mary's diary, he wrote, "She has always wanted to be a boy and thinks as a boy without losing any of her femininity. If you should become confused on this, you should retire. She loves me to be her girls, which I love to be, not being absolutely stupid... In return, she makes me awards, and at night we do every sort of thing which pleases her and which pleases me. […] I loved feeling the embrace of Mary, which came to me as something quite new and outside all tribal law."