The water is home. He hits it swimming, plunging deeper. Searching for his first meal, of this particular change.
Food is what his predator brain searches for. But what he finds, is something else.
Shark–brain is different to human brain. In human form, he knows it, theoretically. But it’s a shock to experience it: the focus, the intensity, the dead-set intent. Anyway: he’s never felt this before.