" His forehead hurt, but not very much, and he lay there swinging with the long motion of the ship, watching the grey light grow and musing upon cuckoldry, cuckoldom, and the almost universal mirth excited by that state.
...
Her cousin Sophie, Jack Aubrey's wife, was completely different. She was not a prude, and she cared no more for Mrs Grundy than Diana; and yet no one but a maniac would ever write to tell Jack that he was a cuckold, although on a basis of reciprocity he deserved a whole hall-full of antlers.
...
Jack considered for a moment and then said with a stern look, 'What the devil did you mean by saying, I was thinking about you - what is a cuckold's neck? "
― Patrick O'Brian , Treason's Harbour (Aubrey & Maturin #9)