I just turned on Https for nickbrowne.coraider.com as explained in https://support.google.com/blogger/answer/6284029
I was amazed google could offer it on a domain it didn't own.
Maybe that is why it isn't working.
It is now.
I wait patiently, with no urgency. I have been granted all the time there is. I do not try to make anything of what I see. I hold no expectation or assumption that I know anything at all.