havishamesque
Havishamesque (adj) means unwilling to move on from the past, or to accept that things have changed or gone wrong.
Etymology
From Havisham + -esque (suffix meaning ‘in the style or manner of’ forming adjectives), after the character Miss Havisham from the novel Great Expectations (1860–1861) by the English author Charles Dickens (1812–1870), a wealthy spinster once jilted at the altar, who lives in a ruined mansion and always wears her wedding dress.