In fact, I've only seen him once--no, twice.

I hope he won't think I'm very bold, bowing to him." "I doubt if he noticed it," said honest Jim.
"Oh, no!" she cried.
"What's the trouble ?" "I'm almost sure people notice it when I bow to them." "Oh, I see!" said Jim.

"Of course they would ordinarily, but Bibbs is funny." "Is he?
How ?" she asked.

"He strikes me as anything but funny." "Well, I'm his brother," Jim said, deprecatingly, "but I don't know what he's like, and, to tell the truth, I've never felt exactly like I WAS his brother, the way I do Roscoe.

Bibbs never did seem more than half alive to me.