" Behind her, Preston grunted and said, "I know it's not the right thing to say to a lady, miss, but you are sweating like a pig!"
Tiffany, trying to get her shattered thoughts together, muttered, "My mother always said that horses sweat, men perspire, and ladies merely glow..."
"Is that so?" said Preston cheerfully.
"Well, miss, you are glowing like a pig! "

― Terry Pratchett , I Shall Wear Midnight (Discworld, #38; Tiffany Aching, #4)