"What use, if any, is homesickness? 'It's purpose is the same today as it has been for millions of years - to deter us from leaving supportive groups and environments,' writes Mark Leary, Professor of Psychology and Neuroscience at Duke University in the USA, in Duke Magazine. 'Homesickness would have been relatively uncommon, occurring only when individuals were separated from supportive, familiar people.'"
What does it mean to be homesick in 2015, and does technology help or hinder us when we move to a new place? John Osborne revisits his past to find out.
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