Most of the time he has an easy going personality and is somewhat shy, but his demeanor changes when he becomes angered or serious.
Picard was still chuckling at the thought when he saw Zweller's demeanor change.
In the last few weeks, he said, he had seen that her usual upbeat demeanor change.
After a moment, the knight's demeanor changes and he begs the trio to set him free "in the name of Aslan".
His demeanor changes altogether when he learns why I'm in town.
"Once people feel comfortable with you, their demeanor changes," he said.
Her demeanor changes again; she is suddenly the insouciant bohemian.
He tried to gain control of his emotions as he saw his father's demeanor change.
But as soon as she opens the door, her entire demeanor changes.
When he does this, no matter how miserable they are, their whole demeanor changes, and they remain happy throughout the flight.