This is my hair today – at 8:15 AM on my way to work, to be exact. I have less than two years to enjoy my locks, as apparently if I have hair this length after 40 I run the very serious risk of looking rather sad and dated. That’s right – the brilliant minds over at The Careerist are concerned that I’m nearly Too Old for That Joni Mitchell Look. I run the risk of damaging my career. This makes me…