the.com/enthusiastic
Caring loudly about something, with the volume knob removed entirely.
means Showing eager, energetic interest or excitement about something you genuinely care for.
from From Greek enthousiasmos, literally being filled with a god — early enthusiasts were thought to be divinely possessed, not just very into pottery.
Divine rootsOriginally meant inspired or possessed by a god.
Once an insultIn the 1600s it mocked overzealous religious fanatics.
Inner godTheos, meaning god, hides inside the word.