Disturbing Dream: Shaving the back of my neck.

Last week I dreamt that I was looking in the mirror to shave the back of my neck up to my haircut line to keep it looking fresh, and I saw that I had three large circular clumps of tufted hair at the base of my neck and spaced out evenly going up to my hairline, and I had already hacked off the bottom half of the lower one without realizing it, and from the mangled, hacked up flesh-and-hair thick dark red blood was beginning to slowly ooze down my back and was already all over my razor, and I could feel a dull ache from that part of my body...