"I haven't spoken English with native speakers in several months. I've been speaking Arabic"

In this quote, John Walker Lindh is specifying that he has actually not had the opportunity to speak English with individuals who are native speakers for a couple of months. Instead, he has been communicating in Arabic. This could suggest that he has been living in a place where Arabic is the primary language or that he has been actively looking for opportunities to practice and improve his Arabic abilities. It might likewise suggest that he has not been in contact with lots of English speakers throughout this time. In general, this quote highlights Lindh's commitment to discovering and using the Arabic language.