▁the ▁condition ▁means ▁that ▁her ▁life ▁has ▁become ▁a ▁" night m are ▁version " ▁of ▁blind ▁man ' s ▁buff . ▁The ▁mot if ▁of ▁blind ness — Christ ine ' s ▁mental ▁blind ness ▁ju xt ap osed ▁with ▁physical ▁blind ness — ag ain ▁emer ges ▁with ▁the ▁rec urrence ▁of ▁" Con ▁te ▁partir ò ", ▁performed ▁by ▁Andrea ▁B oc elli , ▁who ▁is ▁blind . ▁Bill en ▁conced ed ▁that ▁his ▁interpretation ▁may ▁be ▁incorrect , ▁and ▁that ▁the ▁episode ▁may ▁have ▁been ▁a ▁single ▁" dy ing ▁dream ". ▁Mc D ow all ▁noted ▁that , ▁with ▁Christ ine ' s ▁growing ▁unh app iness ▁and ▁increasing ly ▁dis he vel led ▁appearance ▁as ▁the ▁episode ▁progress es , ▁it ▁is ▁easy ▁to ▁see ▁the ▁story ▁as ▁about ▁a ▁mental ▁collapse . ▁ ▁The ▁episode ▁can ▁also ▁be ▁seen ▁as ▁a ▁story ▁of ▁reven ge ; ▁it ▁can ▁be ▁imag ined ▁that ▁Christ ine ▁has ▁repr essed ▁the ▁memory ▁of ▁her ▁first ▁boy friend , ▁and ▁that ▁he ▁" has ▁come ▁back ▁into ▁her ▁life ▁seeking ▁reven ge ". ▁On ▁this ▁interpretation , ▁the ▁Str anger ▁is ▁the ▁boy friend , ▁and ▁causes ▁the ▁crash ▁by ▁ste pping ▁out ▁in ▁front ▁of ▁Christ ine ' s ▁car . ▁Mc D ow all ▁suggests ▁that ▁the ▁odd ness ▁early ▁in ▁the ▁episode ▁suggests ▁that ▁the ▁story ▁may ▁be ▁about ▁" an ▁obs ess ive ▁ex ▁[ or ] ▁a ▁st alk er ". ▁There ▁is ▁also ▁indic