Until two days ago, I had had two hairstyles in my life. One which I had for 18 years, one I had for two. And now, courtesy of my husband and a pair of electric shears, I have a third. Which is to say, I now have no hair. Or, at least, very little hair. Less hair than I’ve had since I was six months old. Everyone hereabouts thinks it’s fabulous, of course, but I feel strangely in need of unbiased opinions…