"Okay, so, there's this bloke who goes to a doctor, because he's got a problem remembering his wife. And the doctor says, 'well, who do you wake up next to every morning,' and the bloke says, 'her name's Carmen.' And then... then the doctor says..." And she scrunched up her nose, trying to remember. "...oh, dear. The doctor says..."
Hermione gave a bark of drunken laughter. "I can't remember!"