I picked up French to a fairly fluent level back when I was a Mormon missionary in about 6 months time. Being completely immersed (living in France, speaking/r

I picked up French to a fairly fluent level back when I was a Mormon missionary in about 6 months time. Being completely immersed (living in France, speaking/reading it daily) in the language was definitely a boon to learning it. Nothing I did in high school or college even approached that level.