Recently, after how-old.net told me I looked 65 carefully considering my work-life balance, I found myself thinking about how to manage stress. Stress, especially work stress is anti-fabulous. It presents a rather circular problem that can be expressed mathimatically:   See what I mean?  In addition to all the hefty botox bills, stress causes grey hair, pallid skin, fatness, heart disease and a Vegas-length buffet of other disgusting symptoms.    So, what’s a modern-day working girl to do? Here’s the secret:   How to Manage Stress Don’t worry about it. Sounds crazy right? Hold on, let it sink in.  Seriously, just don’t worry about it. It’s not that big of a…