Bill Noble
Bill Noble asked Lois McMaster Bujold:

Hi, my apologies if this question has already been asked and answered, but I just found this "ask the author" section and this question has been bugging me a lot lately... in "Mirror Dance", what exactly alerts Bel Thorne to the fact that Mark is not Miles?

Lois McMaster Bujold
A whole lot of little subliminal (and not so subliminal) things adding up gradually, but probably the final test was when Bel leaned in and kissed Mark, and got a very un-Miles-like reaction.

Their flirting was a practiced near-joke by that time, and Miles normally would have ducked and passed it off with a laugh, not panicked and frozen.

Ta, L.

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