The chemistry was there, yes, but the early Aeryn - the one who had still to fall for the crazy Erpman - was still too attached to her old values to even consider a liaison with someone like D'Argo. It would have broken too many taboos, there would have been a far greater degree of conditioning to overcome.

Oh, I very much agree with this now *nods* I shipped them only my first time through the series, before we were told and shown more about Aeryn's views, before I knew how long (and wonderful) her journey would be.

Looking at it now I know it would be impossible for anything to actually happen, and remain true to the character. I've heard it said John initially was open to feelings for Aeryn because she looked Human; and I feel that if that's true, it's also true in reverse - Aeryn could be close to him because he looked Sebacean. D'Argo was far too Other...and by the time he wasn't, she'd developed deeper feelings for John, and who he was on the inside.

But I do still find the D'Argo/Aeryn chemistry more interesting than Aeryn/John during the first 3rd or so of S1 (I also love the Zhaan/John vibe). For me it's both more natural and less expected...that sounds negative but I don't mean it to be.