Happiness

Happiness is one of the core statistics of your civilization. It starts at 0 and drains as each turn passes, depending on your current era. You can increase your happiness regeneration each turn by purchasing buildings and unlocking luxury resources. When your happiness value reaches -10, your civilization is considered Unhappy. Likewise, when your happiness value reaches +10, your civilization is considered Happy. Happiness values from -9 to +9 are considered neutral.

Neutral Civilizations
Neutral Civilizations must abide by the following conditions:
 * The first two traits a child develops must be random. Only the third trait, earned upon aging into a young adult, may be chosen.
 * Lots should have one bad trait, chosen randomly.
 * Good lot traits must be assigned randomly from the pool of unlocked traits.

Unhappy Civilizations
Unhappy civilizations face the following penalties:
 * All child traits must be randomly determined.
 * All aspirations must be randomly assigned.
 * Lots should have two bad traits, chosen randomly.
 * No aspiration rewards may be purchased or used.

Happy Civilizations
Happy civilizations enjoy the following perks:
 * Only the first trait a child develops, upon aging up from toddler, must be random.
 * Lots should have one bad trait, a choice between two randomly-determined traits.
 * Good lot traits may be chosen from the pool of unlocked traits.
 * The Potion of Youth may be purchased and used, abiding by the rules on that page.