At the age of 47, after coloring my hair consistently for more than a dozen years (and by then needing to do it every three weeks), I decided to stop. This was in some ways precipitated by a move to live full-time at my weekend home in the Catskills. I still make weekly trips into the city to meet with clients and see friends, but my life was evolving and the amount of time I had to sit in a colorists’ chair was limited. Here are a few things that made it hard to go through with this change: 1. Not knowing a single person my age with gray hair. 2. Fearing that it would have an impact on my work. (I’m a creative consultant to brands, many of them in the world of fashion and beauty.) 3. Extreme vanity. And here are a couple of things that made it easier: 1. My incredibly supportive husband, who insists I am always beautiful to him. 2. My colorist, who urged me to stick to the plan …