James thought that making Nicola acted like an animal would be quite fun. After all, he did do it beforehand, making her think like a dog, but he wanted to do something different.
He wanted to make her think that what she was doing was normal.
He could imagine people's confusion as she would act like any sort of common animal that he could think of. She could be trotting around, eating the grass and braying, she could be purring, licking her non-existent fur and hissing at any dog that came near her, she could be hopping about, twitching her nose and eating from people's vegetable patches. It could be anything, and the best part was she would think that this was all normal. She would still have her horrid personality and voice, but if she was treated just like a common animal, she would loosen up a bit more.
Now all he had to do was to pick an animal...