You're gazing across a grassy field at a squirrel sitting near the base of a tree. He's holding an acorn in his two hands, gnawing contentedly at his delicious piece of lunch.
Thinking of throwing the rock at the squirrel?
Well, consider this: Inside the furry chest of that small bushy-tailed creature is a little beating heart. And that heart has feelings.
Put. the rock. down.