Tomorrow is D-day. It’s Blue Monday. We all know it was created by marketing. A day designed for PRs to outreach with everything and anything to help you feel better about yourself and life this January. To get you feeling more sunshine yellow than blue. It was actually invented in 2014 by the PRs behind Sky Travel, and there IS a formula behind it. It apparently takes into account many factors including weather, money, Christmas blues, failing new year’s resolutions, low motivational levels and feeling like we need to do something about it all. It might be pseudoscience, i.e something based…