I carry my Yubikey on my keychain, and I have definitely lost my home keys before. Only once, mind you. But it happens. Anyway, I think it's very risky to rely

I carry my Yubikey on my keychain, and I have definitely lost my home keys before. Only once, mind you. But it happens. Anyway, I think it's very risky to rely on single physical item for your private key storage.