The thing I'm most uncomfortable with this going forward is, like, "the Queen of England" is such a major phrase that I don't think I'll be able to let go.

And like this isn't just me -- large parts of modern culture, songs, phrases, etc. are based on the understanding that the monarch of England is Queen. (What are the Sex Pistols gonna say, now? "His fascist... raging?") And with a relatively minor (and rather negative experience, at that) interruption in the middle, this has been the case for the past almost 200 years. This isn't something we can just CHANGE. I get that she was old and going to die, and if the monarchy was going to continue at all obviously they'd need to find some successor. But everything from that past few centuries makes "King whatever" absolutely incompatible with it.

So, like, obviously that's not an acceptable situation. Which leaves a clear solution

The Queen is Dead; Force-Fem the King