Happiness: a mental or emotional state of well-being characterized by positive or pleasant emotions ranging from contentment to intense joy.

Lightning: a sudden electrostatic discharge that occurs during a thunderstorm, producing a bright flash of light and a loud sound.

Stress: a state of mental or emotional strain or tension resulting from adverse or demanding circumstances.

Fuel: any material that is burned or otherwise consumed to produce energy, typically in the form of heat or electricity.

Cold: a condition of low temperature, especially when below the normal range for human comfort or survival.