I sat quietly in my living room, embers glowing softly in the fireplace, as I felt a familiar pain begin to flicker in my heart.  The kind of pain that wells up from somewhere deep inside and burns in places I didn’t realize had nerves – a throbbing heartache.  My husband had gone to work, my workday was done, and an open evening lay ahead.  There, in the dim light of the lamps and the fireplace, snuggled up in my favorite spot, I felt utterly lonely – a familiar feeling, a recurring experience in my life.  “Why do I feel so lonely” I wondered.  I’ve known the burning heartache of…