Later in life, I took to the habit of learning languages by myself:
Spanish in the early twenties, Italian after emigrating to Sardinia at the
age of 27, Portuguese at 33 during a three-month trip to Brazil. That put
the modern language count at 6. In between or thereafter, whenever
there was the perspective of travel, I studied the basic grammar of other
languages: Swedish, Dutch, Modern Greek, Turkish, Sardinian, Farsi
(Iranian), Swahili, Hebrew, Hindi.