“You always look so cool,” she repeated.

cf. Ide Collars Advertisement (ca. 1922)

“Who wants to go to town?” demanded Daisy insistently. Gatsby’s eyes floated toward her. “Ah,” she cried, “you look so cool.”

Their eyes met, and they stared together at each other, alone in space. With an effort she glanced down at the table.

“You always look so cool,” she repeated.

—F. Scott Fitzgerald, The Great Gatsby
 

NRBQ – “Green Lights”