I just tried this out with Github. My passkey lives in 1Password so it’s backed up and synced across devices. It also lets me sign in with normal MFA/TOTP if I don’t have the passkey, or use a recovery code. Incidentally @brian@programming.dev this is working in Firefox now.
It’ll be ok. This too will pass. You’ll find the things that bring you contentment and meaning, and there you’ll find your people