11.   Collins asked last week, his bright blue eyes darkening when the subject came up.

12.   Her eyes darken and she hunches forward, her mouth turned down.

13.   Sobieski is remarkable, as her eyes darken and her face becomes a statue of numb resolve.

14.   The merry, though goggled, eyes suddenly darken, the eyebrows cave into a deep V.

15.   But as Brad pondered the future from his Bangkok branch office, his eyes darkened and a look of concern spread across his face.