For eons the serpent had been used to the lifestyle the bottom of the ocean had to offer - Cold, pitch black, and crippling loneliness. It was how he spent most his life, and he had grown accustomed to it. Even now, it could be peaceful still.
But he had also gotten used to modern society and the daily interactions. Although there hadn't much been any lately, and he accepted it. They all were busy and had their own things to do, right?
The time Jormungand was spending now made him realize that he hadn't talked to anyone in awhile.
Trying to push this out of his mind, he took a nap.
You find him.