Every OG in Crypto has lost their keys at one time or another. Earlier this year I lost the keys to my Metamask wallet for 48 hours. The keys to my company Metamask, that had ALL of my projects tokens in it! Every recovery phrase I tried led to an empty wallet. I had not implemented these techniques before this minor panic attack, but I am transferring all my security protocols now, and I hope you never have to go through what I did.