I hope you're right LR. The thought crossed my mind, but I told myself that since there was no aggression at the beginning, it wouldn't be an issue later. It was never my plan to re-home him. So let's put this thread to bed and hope that it's permanent.
Thanks for being there for us, LR. Really. It's not that others aren't helpful, but I especially appreciate your good sense and scathing observations (not in this case, happily)
Later - and thanks for the boot you know where - Simon was vaccinated this afternoon, snip snip in ten days. Time will tell if it makes a difference.