All of the young guests seem apathetic and uninterested in the attempts of present adults to create a light party mood. When the birthday boy's mother places a cake in front of him, he simply glares at her and her bright smile falters.
The young guests appear indifferent and uninterested in the adults' attempts to create a cheerful party atmosphere. When the birthday boy's mother presents him with a cake, he simply stares at her, causing his mother's smile to falter.