A Tale of a Telling Tail

Most tails wag. Some tails do more: Ava's tail is the most expressive at TPO, and I assume that this has something to do with the fact that she's the only Groeny. ("...Only a Groeny...") When she's relaxed, her tail is relaxed. Lately, however, we've noticed that when she's eating her tail will curl up proportionately to how much she likes what she's having for dinner:

Ava's tale telling tail: More curl = more joy.