This reveals the speaker's dependence on Ulalume and her love; his losing her leaves him not only sad but absolutely devastated and, by visiting her grave, he unconsciously subjects himself to further self-inflicted anguish.
Acest lucru relevă dependența naratorului de Ulalume și de dragostea ei; pierderea ei nu-l lasă doar trist, ci absolut devastat și, vizitându-i mormântul, el se expune inconștient unui chin auto-provocat.