Yes, I’ve been using it almost every day for a decade, so I know where everything is by this point – but even when it was released I liked it almost immediately, because it surfaced useful style, paragraph spacing and table editing functions that used to be buried in menus. I prefer the ribbon interface in LibreOffice now, too. Next time you get lost (and it still happens to me just as it did in the menu era), I suggest using the search box instead of your memory of Office 2003.