GENTIAN 
Those who are easily discouraged, they may be progressing wellin illness or in the affairs of their daily life, but any small delay or hindrance to progress causes doubt and soon disheartens them - Dr. Edward Bach
Keywords: Discouraged, depressed
Human indication: When you easily get discouraged when faced with difficulties. 
Animal/Pet Indication: Despondency due to a setback: eg; not going for a walk a usual as creates lethargy and sadness.