Come back!" the Caterpillar called after her. "I've something important to say."
This sounded promising, certainly. Alice turned and came back again.
"Keep your temper," said the Caterpillar.

It's a big stress reliever

It has become clear that, as Janet observed one hundred years ago, dissociation lies at the heart of the traumatic stress disorders. Studies of survivors of disasters, terrorist attacks, and combat have demonstrated that people who enter a dissociative state at the time of the traumatic event are among most likely to develop long-lasting PTSD.

Courtesy while you're thinking what to say. It saves time.

He's an Anglo-Saxon Messenger - and those are Anglo-Saxon attitudes.

The proper definition of a man is an animal that writes letters.