I've done duolingo for the last two months - it's much better to think of it as a fun game with some learning on the side rather than anything serious. Aside,

I've done duolingo for the last two months - it's much better to think of it as a fun game with some learning on the side rather than anything serious. Aside, the leaderboards are unironically a great feature. It gives a great incentive to practice more rather than reaching your required 50xp.