depression, psychology crisis concept. sad unhappy hopeless person walking on street. depressed desperate pessimist

depression psychology concept sad hopeless unhappy crisis misery loneliness anguish apathy cartoon character depressed despair desperate emotion feeling flat gloom gloomy go grief helpless hopelessness illustration male man melancholy mental miserable negative pain people person pessimist poor problem psychological rain sadness sorrowful street suffering trouble unhappiness upset vector walk fatigue