He is described as having a melancholic and neurasthenic temperament in life and art. Then grief and laughter, denying that he is neurasthenic, and waiting. Nurmi, who identified as neurasthenic, was known to be "taciturn", "stony-faced" and "stubborn". Eyes are set closely together; evidently, neurasthenic. Incipient GPI is usually manifested by neurasthenic difficulties, such as fatigue, headaches, insomnia, dizziness, etc.