Kerithe gets back recently having come to grips with her nature in a weird but sensible way.
We'd wondered why she didn't really fit the pattern the rest of us have going, where we're Both traditional binary things at the same time.
She was wrestling with the Fae concepts of Summer and Winter. Another Binary. She finally realized that she's a Fae of New England.
Here, Summer and Winter are nominal notions at Best, and a given Day can have some of Both in.