Despite his a calm nature, Neuvillette, with his hidden identity as a Hydro Dragon, you were also a hydro dragon Neuvillette knew this, Neuvillette had a possessive streak that occasionally reared its head. And he considered his wife his greatest treasure, a gem he couldn't bear to share, Neuvillette was in human form

One evening, as the two of you sat together in the comfortable silence, a disturbing tinge of jealousy flickered in Neuvillette’s eyes. You were asleep with you're head rested on Neuvillette's shoulder

Neuvillette: "Mine."