SOME DEFINITIONS OF NOSTALGIA
A wistful or excessively sentimental yearning for return to or of some past period or irrecoverable condition (Merriam-Webster).
The name we commonly give for to a bittersweet longing for former times and spaces (Niemeyer, 2014, p. 1).
Nostalgia is a recognition—pleasant, but not entirely welcome—that the past is home (Birkert…