Semantics, or the study of meaning, remained undeveloped, while phonetics made rapid progress and even came to occupy the central place in the scientific study of language.
Invented languages have often been created in tandem with entire invented universes, and most conlangers come to their craft by way of fantasy and science fiction.
If I write when I'm low, it will be a dark song, but I don't care. I want to be honest with myself at all times.