["Hey, Shepard, I'm actually your clone, not an alternate universe version of you, and I need a cell sample from you to save my life!"

[Like that would go down well.]

I... I'll think of something.

[She rubs just below her amp, a ruse turned occasional nervous habit, contemplating the partial truth of "hey, Shepard, I was attacked by a monster while onboard here" when something occurs to her and she looks back at Yewll.]

How fast is this going to happen? Because it's been a year, and as far as I could tell, everything apart from that monster was normal.