How Fluent Am I After 18 Months?

On All Japanese All The Time, Khatzumoto has posted about how much he knew after 18 months of learning Japanese. I am comming up right now to the 18 month period, and while I don’t know nearly as much as Khatzumoto knew, I am very pleased with my progress. I know more than what is in Genki I. Way back when, Genki was the original material that I bought to learn Japanese. This time last...