...I think....our existences must be mutually exclusive.

[She doesn't know Elizabeth, that's noted and filed away as not immediately important. Right now...right now what's important is figuring this business out. They're probably- what, the same person? Sort of?]

Like those movies with two dimensions where everything's the same except one thing went differently. Only lower key. [those usually involve a different country winning a war or something, thus changing history significantly enough that present-day culture is different.]