This time of year still hits me hard.It is the anniversary of the death of my best girlfriend, Angel, who died too young and left an Angel-shaped hole in my life.“Can it be six years?” I ask my husband, Peter, in disbelief. Angel died at 50 years old, six years ago.In the years since she died, I have tried to fill the spot she occupied without success. I expect new friends to be like Angel, and this is, of course, unfair. I expect they will be willing to listen to whatever mad idea has entered my head at any hour ...