Did you ever notice how important the last bite of a candy bar is? All the while you're eating it, you're aware that you have less and less remaining. Then, as you get to the end, if something happens to that last piece, you feel really cheated.
When you pick up something with your toes and transfer it to your hand, don't you feel, just briefly, like a superior creature? Like you could probably survive alone in a forest for a long time? Just briefly.