[Dragon]

@Tinn: Well said.

I think the way around it is to not say, "At night, you'll turn into a total prostitute." Then you can say, "During the day, you'll care for anyone and everyone, and at night you will continue to do so in a different fashion. After the sun goes down you will feel an insatiable lust growing within you..." Etc.

Putting yourself into a story is a good way to put real emotion and depth into your characters. The point here is that you do it even when you're not in it yourself. Your characters should all carry a piece of yourself.