This is my answer to the same question on Quora, which was subdivided into the following three parts:
- What language(s) do you speak fluently now?
- What language(s) are you learning at the moment?
- What language(s) do you want to learn and why?
(1) Currently, I consider myself fluent in:
- Bulgarian because I am Bulgarian who was born and raised in Bulgaria.
- English because I grew up almost bilingual with it thanks to extensive language classes in and outside of school, movies, music, the Internet, etc.
- German because I have studied it extensively during high school and have been living in Germany and studying at university in it since 2010.
- Macedonian because it is the closest living language to Modern Bulgarian and I am often in contact with people and things from our culturally closest country.
- Old Church Slavonic because I like reading historical texts written in it. However, I can’t speak it since it is a dead language, even more so than Latin.
(2) I have been studying the following languages:
- Russian because I occasionally use technical literature or listen to it, either through TV, music, or just when I am surrounded by a lot of Russian speakers.
- Romanian and Modern Greek because I have always wanted to communicate freely with our culturally closest neighbours with non-Slavic native languages.
- Esperanto because of the answers to: Which conlang can be considered best for everyday usage? And because it’s the original internacia lingvo. :)
(3) I would like to learn (in this order):
- other Slavic languages (e.g. Serbian, Croatian, Slovak, Czech, Polish) since I have enjoyed a significant amount of texts, movies and songs in many of them.
- Modern Turkish and maybe Albanian because I am also curious about our other Balkan neighbours since we still have a lot in common in our cultures.
- Italian, French and maybe Spanish because I often appreciate the music, movies, cuisine, and literature coming from regions where they are spoken.
- Standard Chinese and maybe Japanese because I was curious about and tried properly studying both in the past and still find them very interesting.