Arthur Conan Doyle (holmes writer) gives PUA advice!

My instincts
are all against a woman being too frank and at her ease with me.
It is no compliment to a man. Where the real sex feeling begins,
timidity and distrust are its companions, heritage from old wicked
days when love and violence went often hand in hand. The bent
head, the averted eye, the faltering voice, the wincing figure--
these, and not the unshrinking gaze and frank reply, are the true
signals of passion.

all the
stigmata of passion were there. But I was sadly conscious that
up to now I had never found the secret of drawing it forth.
However, come what might, I should have done with suspense and
bring matters to a head to-night. She could but refuse me, and
better be a repulsed lover than an accepted brother.

She looked at me with a wondering distrust which was much more to
my mind than her whole-hearted confidence. How primitive and
bestial it looks when you put it down in black and white!--and
perhaps after all it is only a feeling peculiar to myself.