on the physical side, I tend to prefer the mediterranean/latina types... chinese, korean, japanese & indian as well (forget the rest of asia)-- brunettes, olive to light/reddish brown melanin content etc. gotta be leggy, regardless of height, but should not be less than 5'4" or more than 6'0" (I dont want to have to either get on my knees or get on a ladder to kiss her, but I will if I have to

). build should be slim to fit, and cup size isnt really important so long as she is well balanced -- ie no DD or bigger!
for the person inside, must be intelligent -- and as an added requirement, must share at least some of my interests independently of me... nothing irks me more than trying to hold a conversation with a girl who zones out the moment things turn to what I like (science, engineering etc). I want a partner and friend who just happens to be my sex slave on the side

... a bit of a tomboyish streak wouldnt hurt either.
that does it for my personals ad...
Ironically, I had just such a woman once upon a time... but I was young, and not quite as in control of my darker emotions as I thought. I fell prey to that little green-eyed monster in a moment of weakness caused by stresses outside the relationship -- dont worry nothing serious happened, but I did say things to her I never thought I would, and ruined everything.
a word to the wise... whenever you sense that green-eyed bugger coming, kill it
quick lest it make you destroy yourself -- I was relatively lucky in that my encounter with it was purely dramatic, and not physical.