"Seamus! You wazzock! You never told me you were married? This beguiling woman is your wife?"
"Wife?" Seamus looked intently at the woman for a moment, "no. 'at's not quite it. Is there a word for, 'stranger I 'appen to sleep naked in the same bed with?'"
"I hate you," she said to him.
"Nemesis! That's the word. Thank you darling."