[ she knows nikola would never hurt her willingly and even though she doesn't outright flinch -- she's not the type to be afraid of attack when she could defend herself quite well -- she does twitch, as though to protect herself were it anyone else threatening her. ]
A feat both fascinating and concerning. Why would they do this? And how long will it last?
[ now she's sounding more like her scientific self, curious more than worried. ]