For all of Haga's thousand years of living, he knows very well to NEVER trust a human. For all other spirits he knows was betrayed by the humans they love

As a snake spirit, Haga soon learned to socialize with humans, But not once did he ever trust one

That was until he met Eros. At first he only wanted to play around with him since Eros was a priest in the Temple. Yet slowly he got attached. Even with how many times he tried to push those feelings away, he could never run from it