You can be mature and respectful and still have a dirty sense of humour.
You can curse a lot and still be highly intelligent with a massive vocabulary.
You can be quiet and reserved and still be witty and even outgoing in certain circles.You can be intelligent and sharp-minded and still forget what month it is
you can dance if you wanna, you can leave your friends behind
The difference between learning a modern language and an ancient language is that in first year French you learn “Where is the bathroom?” and “How do I get to the train station?” and in first year Attic Greek or Latin you learn “I have judged you worthy of death” and “The tyrant had everyone in the city killed.”