the woman.  the nemesis.

you made a slow disaster out of me

A certain kind of symmetry 

cause i can make you every inch a king
before i do tell me, tell me what’s in it for me

her heart was lost to him

To Sherlock Holmes she is always the woman. I have seldom heard him mention her under any other name. In his eyes she eclipses and predominates the whole of her sex.

The only woman who ever impressed him