Unfortunately though, the vial was mean't only for women. Once the transformation was complete, he found that he had turned into a female dolphin, and a very lovely one at that. He was both, terrified and ashamed at the same time.
Mary was actually delighted with this, though. She now had a female partner to play around with and girls are much more fun than boys.
John took a while to come in terms with the reality, but he eventually came around. Being female mean't that she could now express her emotions much better. She was much more beautiful as a female too. She played in the water with mary and eventually, forgot her male past and became as female in behaviour as female dolphins could be.