I made an account in 2020, and was 100 edits deep with it, and while in the process of figuring out OSM maps in the sandbox I was automatically logged out. Could not remember the password I used. Checked the email I use for these sorts of things to see if I registered it, and it turns out I had not. Not for that account. But apparently I made this account in 2014, and had completely and totally forgotten about it. Huh. Since I apparently hadn't attached an email to that other account, I suppose it's now lost, but I shall continue with this one. It has a cooler name, anyway.