I pass her daily, she's just like me ...

I pass her daily,
she's just like me,
but not me.
She is dark, a ghostly shell,
some alter ego
deliberately mimicking me;
Or is this my own dark soul,
the darkened wretched me?
There she goes again.
but this time she notices me in the passing.
Will she ponder the same questions as I?

Rosina meets her doppelganger. Perhaps we can persuade one of them to stay in the UK come June.