The warm air made her realize, in simple gratitude, that she had been cold.

It is simple, dog-like gratitude for a reason to declare the presidential race more interesting.

Then the look was gone, replaced by simple, warm gratitude.

For the moment, though, simple gratitude was enough for both of them.

Were she still a child, that simple gratitude would have been enough to make her revolt against what they were going to do.

He gave his healer an intense look that held more than simple gratitude.

Partly it was simple gratitude for saving my life.

Or have you become too grand and lofty for simple gratitude?

Then he began to wonder if his interest in her was simple gratitude for having saved him from the girl gang.

He found that his heart was suddenly full of happiness and simple gratitude.