I agree with you Dan in a way... but I do understand that the thought of swinging is exciting and stimulating to people...but when the actual posibility is closer to coming true, there may be cold feet that develops. I guess if I were you I would be happy they at least let you know why they dropped off the "radar"
We have had friends ask and enquire about swinging and have been very interested in the possibilities, but when it gets down to brass tacks they back off. I know there are lots of us out there as well that after a meeting aor a couple of favourable contacts via e-mail or phone the interested party dissappears all together... no reason, nothing. SO like I said before, at least they gave a reason.