I've never learned another language to the point where I can converse with someone. But I do try to learn the basics of a language when I travel. So I can ask for directions, ask where the bathroom is, know the numbers, and can order food in Spanish, Italian, German, Greek, Icelandic, and Japanese. I learned a little bit of Thai when I went to Thailand, but it didn't stick because everyone I encountered in restaurants, guest houses and tuk tuks spoke English. I tried learning Portuguese and Arabic when I did a tour of Spain, Portugal and Morocco, but Arabic was too complex to learn much in a week and the book I bought to learn Portuguese was terrible.