"Let's just transform ourselves!" I said "Maybe we can turn into different creatures."
"Joe, I'm not sure if that's such a good idea" replied Amanda "What if we turn into something that doesn't speak, and can't wish ourselves back?"
"Don't worry!" I said "As long as one of us remains human, they can turn the other one back!"
"Good thinking!" replied Amanda "Let's go to a deserted part of the park, so nobody can see us change."
When we found a remote spot I allowed Amanda to wish me naked, then she did the same for herself. "Right," I said "who's going first?"