Earlier quoted context omitted.
Interesting. If you were interacting for 16h a day "in country" for 7 weeks, then (16 * 7 * 7) + 150 + 85 = 1019 hours. If State Departments say 400 hours, then this sheds light on why many non-native fluent speakers recommend immersion - there's simply no faster way to meet or exceed 400 hours of practice than daily immersion.
Absolutely... Academically, I've only failed two things. Typing and Spanish. Today, I'm fluent in Spanish - though a bit slower than natives. Why? I spent a whole lot of time with my pidgin Spanish below the border. Eventually, I just learned. I did make an effort to learn a few things every day, but I ended up actually learning more than that and doing so without even realizing it. I can't write Spanish, but I can r…
However, in those nearly eight years, my wife and I visited Italy at least three or four times, for a total of maybe three weeks.
I swear to $DEITY that I learned and used more Italian in those three weeks than I did French for the entire time I lived in Belgium.
For me, there are just some languages that are harder than others, and are unlikely to ever stick. But maybe that’s just me.