Happy (feeling)

Happy is a feeling, part of the graphics of Emerald and Amber.

Emerald
For Emerald to happy, he must be touching Amber.

Amber
For Amber to be happy, she must be touching Amber.

Sapphires
For any sapphire to be happy, the player must have failed the level, or on Level 28 / The Impossible Level, the player must have killed Amber.