Feeding is a wonderful thing.

You may already know that feeding bread to the fish gives them no nutritional value. If you buy some fish feed, you will still have the same joy, while also giving nutritional benefit to the fish and turtles.

Excerpt from Robert Crais' "The Monkey's Raincoat:"
"She took another microscopic bite of her sandwich, then pushed it away. Maybe she absorbed nutrients from her surroundings."