Mustard 芥末

 用於週期性陰鬱的感覺。通常會被描述為：「像烏雲蓋頂」。這些突如其來的、無法解釋的壓抑與陰鬱只是短暫的，可能轉瞬即逝。

負面狀態：

週期性的陰霾（像烏雲蓋頂）

正面狀態：

喜悅/輕盈

Used for feelings of periodical gloom. This is described as: 'like a dark cloud descending'. These sudden and unexplained periods of oppressive gloominess are only transitory and may lift as quickly as they appear. 

Negative emotion causing unhappiness:
Periodical gloom (like a dark cloud descending)

Positive emotion encouraged by the Essence:
Joy / Lightness