We dog owners know this feeling.

 Your busy eating your favorite flavor of Pringles. Knowing that the strange powdered flavoring is building up on your fingers for that last bit of zingy essence to be greedily enjoyed by only you.

 Ya, I've been around a can of Pringles once or twice in my life (and yes, I no longer eat them but the memories - oh, the memories).

Then you look around the room. You feel someone is unwaveringly staring at you. Then you see the culprit. Your furry friend is practically holding his breath hoping you will drop just a crumb.

 Yup. We've all been here: