There is no known way to prevent this disorder. Strong support from friends and family can help.
Powell AD. Grief, Bereavement, and adjustment disorders. In: Stern TA, Rosenbaum JF, Fava M, Biederman J, Rauch SL, eds. Massachusetts General Hospital Comprehensive Clinical Psychiatry. 1st ed. Philadelphia, Pa: Mosby Elsevier; 2008:chap 38.