As you sit down, you immediatly jump up into a half-crouch, it feels like you've sat on a pin! You reach back with a hand-paw, but all you feel is a furry lump. A lump that's growing! You stand up and twist your body to see the lump. Sure enough, it's there, you realize it's your tail! The tail puffs out like a huge cottonball. As the change finishes, you wiggle your tail and giggle. How you are enjoying this!
The genie puffs away at his cigar, enjoying your change more. And glad that you are as well.
You eagerly await your next change, which is...