> House doors don't (yet?) come with a "forgot your key?" button.

Welp, I do this. I'm incredibly forgetful, adhd is a bitch, so I have a spare key in a lockbox by the door that takes a combination and give copies of my keys to my friends. And I have the combination in my password manager so even if I forget both but have my phone I'm still good. I also keep multiple copies of my credit cards and driver's license. This stuff has saved me literally hundreds of times.

I'm not sure I understand the logic of not letting someone authenticate themselves with the