She goes home to borrow mom's car.

Katie walked back home and fished her mom's car keys out of a porcelain container marked "tea." No one in the house drank tea -- "Start" said the ring.

"What?" asked Katie.

"My mistress liked tea. Therefore I like tea. You should drink it too, so I can access your taste buds." Katie shrugged in response. After picking up a taste for pussy, adding tea to her interests really wasn't so much of a much. It's not like she didn't already get plenty of caffeine from soda-- "Not anymore," the ring told her. "Too sweet for my tastes."

"You gonna make me give up chocolate too?" Katie demanded, feeling annoyed now.

"I wouldn't dare," the ring replied. "Some things even magic can't do. But I do expect--"

The sound of the front doorbell interrupted the budding argument. Katie sighed and went to the door.

"Who is it?" she asked.