Your Girlfriend decided to change herself first

"Oh hi, hon, sorry for not waiting. I was starting to get bored, so I'm ready to transform myself, how about you, John?" your girlfriend asks.

"What, already, Jane?" you ask. "But I've only just stepped out of the shower, you should hold on for a minute," you responded.

"Aw, don't be such a baby, you haven't been as eager about coming here as I have," she said.

You know you've been looking forward to this vacation. "Okay fine you won and you get to go first, so who are you going to turn into? I've got a few candidates," you said.

"I think we should start things off with a little role-playing game. Let's not spoil the big changes right away." your girlfriend replied.

"What have you got in mind, John?" you ask. "I'm up for anything... like anything."

"Hmm... Anything?" she said. You watch your girlfriend's gaze drift as she takes a moment to think. A smile slowly creeps over her lips. "I think I know just the thing."

"Wha...what are you?" you stressed.

Then she turned into...