I was told that my MIL once also got stuck in the bathtub, not because she was too large but rather a little immobile. Such things seem to happen often.
In this case your SO would have to live alone. It is much easier to leave than to stay, thus I'd rather outlive my wife that she has no problems with living alone.
You don't need to be old doing such things. I was told of a woman in her early 50s who had dementia and smeared her excrements on the walls of her apartment.
My advice as a man: You could use private messages (PM) to communicate with other women. This is also possible with several participants. Or even better, make a Zoom meeting and invite other women. This is face to face.
The Norwegian Anders Breivik killed 77 people. Nevertheless it was rumored that many women wanted to marry him and wrote love letters to jail.
Anders Behring Breivik - Wikipedia
Liz Taylor and Richard Burton were awesome. In my opinion they didn't play, they lived the script.
I watched the movie at first as an adult too. My wife and I like it, I even bought the DVD.
Also celiac disease or a mild case of gluten intolerance could be misdiagnosed as IBS without careful examination of the patient.
Coeliac disease - Wikipedia