It's Greek to me, this noun, a feeling of extreme happiness & well-being--it's wonderful!
A feeling of extreme gratification aroused by something good or 
desired: ... Greek /  ... it's a joy to hear him  es un gusto orlo, da gusto 
orlo [DOC] [TLE] Euphoria | Definition of Euphoria by Merriam-Webster [PAR] Define euphoria: a feeling of great happiness and excitement  euphoria in a 
sentence.