once something happened to my phone to where I had to reset it to fix all the issues, but stupid fucken me forgot to backup the 2FA keys (well, they were "backed up", but I'm a way that couldn't be decrypted without another key that was wiped).
It was a pain getting back all the accounts, luckily I found a backup from ~8 months prior that I was able to use to get back my Nintendo and Discord accounts, and everything else I contacted support or used my backup auth codes to get back