After the weirdness with Andronikas and the no-threeway with Lana and Theron, well my SI has been having a bit of a dry spell. New Flirt rule: Commander of the alliance can't flirt with, well, anyone basically. Aside from Acina she's down to droids and the anti-social. Still, there is the bioware concern that after so many 'sacrifices' Khem will satiate his personality and never again threaten to eat you, but aside from that Khem is the natural option for her.