Read these lines from the text: “Just after dawn, the Red Rooster, a long-range sports fishing boat out of San Diego bound south to fish for wahoo and tuna off the Revilla Gigedo Islands, came within a hundred yards of the upside-down sail boat and stopped to pick up its two chattering survivors. The Red rooster’s captain, Mark Stevens, asked, “What happened?” “Rouge wave” said Sully, That’s what he planned to say to Beau Tucker as well. Stevens winced and nodded that he understood.” Why does Stevens respond in the way he does?