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37. “human love at its height”: E. M. Forster,
Howards End (London: Edward Arnold,
1910).
38. Shyness is the fear of social disapproval:
Elaine N. Aron et al., “Adult Shyness: The
Interaction of Temperamental Sensitivity
and an Adverse Childhood Environment,”
Personality and Social Psychology Bulletin 31
(2005): 181–97.
39. they sometimes overlap: Many articles address
this question. See, for example, Stephen
R. Briggs, “Shyness: Introversion or
Neuroticism?” Journal of Research in Personality
22, no. 3 (1988): 290–307.
40. “Such a man would be in the lunatic
asylum”: William McGuire and R. F. C.
Hall, C. G. Jung Speaking: Interviews and Encounters
(Princeton, NJ: Princeton
University Press, 1977), 304.
41. Finland is a famously introverted nation:
Aino Sallinen-Kuparinen et al., Willingness