Jump in, she says, it will renew you. I dive into the blue water. It’s cold. English seawater is always cold. It is dark down here, I can’t see, but I can feel. I feel her splashing beside me, reaching for my hand. Her fingers are so small. Make a wish, she says. I like her, but I’m scared. Wouldn’t you be scared diving from a cliff into this floating world of darkness? I have to pull away. Her fingers slip from mine. Don...