She must be a non-smoker, creative/imaginative, love sci-fi, be non-materialistic, spiritually evolved, open minded, and enjoy intimacy on all levels.
She must have no tattoos/piercings, as they are total turn-offs for me, I'm afraid, and also a non drug user, with no emotional/body issues, intelligent, realistic, but also a space cadet at times (like me

Compassionate, gentle and easy going a must, as I am not someone who enjoys confrontations all the time, but must be prepared to fight for her relationship with me when necessary. Must like sending/receiving very long, detailed emails/letters, as I also like the same in return (I'm a born writer/reader).
If she plays chess/pool and loves cats, then we'll get on very well.
Also, she has to be patient, attentive, a good listener/talker, with an active mind/spirit, who enjoys learning new things daily, and can see the magic and wonder in the world around her, and is also able to celebrate such things.
Empathy is also important, as I am very empathic myself, and able to see beyond my mere physical appearance, to the man inside.