Sam let the grin soften to something more wry than fierce.
"That's exactly what I'm going to do," he answered, his grin softened into a smile.
He grinned, and then the grin softened.
The captain's grin softened to a gentle smile.
Her grin softened as she closed the final distance between them, setting her naked feet carefully beside his boots.
As her chin tilted up, her grin softened into a smile.
The grin softened the hard lines of his face.
Her grin softened into a smile.
The teeth disappeared and the grin softened into a true smile.
An infectious grin softened his rigid demeanor and eased the morning's strain.