When I learnt Mandarin Covid came, when I learnt Russian the Ukraine conflict happened. So I am very sure I have learnt most languages I want to try! Seriously! Now there is just variations of Chinese in Yue to understand and sorting the German and Turkish from the Nitra Greek letters to do all my life :) Here are two cool things you can do about Russian language - Youtube Vladik Brutal game, if you like to play games, Half Life is always one of hard favourites since the first one featuring Gordon. This is the Russian version, very good too. Ends around Ukraine timeline :) with the Trotsky ice pick. Sorry for spoiler. The other is, Russian rides Phantom to OS immortality • The Register If you like technology the Russian engineering and spare parts make our world good here. (Zelensky said they will work with drones with us, the common man in India does not worry all this inflation right now, like me). This OS is an amazing thing, read about Orthogonal persistence and you will see why