I started to follow.
The first officer stopped me.
"Your friend," he said, "is he ill ?" "The sea!" I answered hurriedly.

"He's not used to it.

I am going to look after him." Doubt and disbelief were plain in the seaman's eyes but I hurried on.
For I knew now that Throckmartin was ill indeed--but with a sickness the ship's doctor nor any other could heal..