unresolved mourning
n.— «But Cuba still dominates Cuban-American life to a remarkable degree, which psychiatrist Eugenio Rothe blames on what he calls “unresolved mourning.” “One thing very observable here, especially among older people, is the nostalgia about Cuba, the idealized remembrance of the lost country,” Rothe said.» —“Cuban exiles face new reality with Castro handover” by Jeff Franks in Miami, Florida Reuters Feb. 25, 2008. (source: Double-Tongued Dictionary)