This is a delightful book regarding friendship and the importance of honoring the feelings of each other. Aya and Oskar are close friends. Oskar is outgoing and very talkative, making friends where ever he goes. Aya admires his ability to make friends easily.

Oskar's moods sift suddenly, and he has periods of other directedness, and then bouts of time when he is sad and introspective, not wanting to be with anybody, he is alone in his room.

Aya tries to understand what happens when he is so very sad, and she tried to give him space. This is a simple book with a very important message regarding honoring the emotions of our friends and the importance of not taking it personally when a friend hibernates.

The illustrations are cute and colorful.