Can you define "death" in the context of your question? I feel you might have referred to some forms of reversible coma.
Watch out! Generating CO2 in enclosed spaces might turn into a health hazard without monitoring it. CO2 is also "heavy" and tends to sink, so watch out for pets as it could be deadly for them - https://en.wikipedia.org/wiki/Cave_of_Dogs
YSK: Installing a bidet attachment to your toilet is super easy and probably cleaner than using toilet paper.
I wonder whether you meant "bidet shower" or "bidet" (meant as a stand-alone additional sanitary equipment for a toilet room). Video tutorial
Tell her you love her. You won't be harmed, even if she doesn't feel the same.