He was slender but well-built--black curly hair, straight features, and rather a dark skin.

Everything he said sounded intangibly appropriate.

He possessed infinite courage, an averagely good mind, and a sense of honor with a clear charm and _noblesse oblige_ that varied it from righteousness.

He could dissipate without going to pieces, and even his most bohemian adventures never seemed "running it out." People dressed like him, tried to talk as he did....

Amory decided that he probably held the world back, but he wouldn't have changed him.
...
He differed from the healthy type that was essentially middle class--he never seemed to perspire.