"There a reason for that?" the Doctor asked. "You in the blue?" In his own lifetime, he'd worn nothing but odd Earth clothes in a rebellion against his stuffy, robe-wearing people.

The sea. The Doctor wouldn't deny Jack, of course. He followed with a slight hop, catching up easily. The breeze was comfortable, but not too strong. The sun blazed against his head, but it wasn't too hot. A sand-and-sea paradise, it was.

Why did Jack leave, he wondered. He obviously loved his home.