I think it is not wise to see him/her having AS as a criteria. An understanding NT (and trust me, those are there more than you think) can be just as sweet as another Aspie.
I want a girl who I feel emotionally connected to, that is my criterium, the soulmate feeling. If she has AS or not is not an issue to me. Both AS or NT is fine by me.
You know, set criteria based on character, common interests etc... Don't let a medical diagnosis narrow your options. If you date an NT, make sure it is an understanding one of course. But don't make Aspies only a criterium or you narrow your options drastically.
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Do what Thou wilt shal be the whole of the Law.
Love is the Law, Love under Will. And...
every man and every woman is a star
(excerpt from The Book of the Law - Aleister Crowley)
"Od lo avda tikvateinu" (excerpt from the Israeli hymn)