If you step back and look at the big picture, it will become immediately apparent that not everything has been resting on your shoulders. You can let go a bit. This is the point of least resistance with a usually cantankerous coworker. Could there be signs of peace and reconciliation in the future? Most people say that you can attract more flies with honey than with vinegar, so if you want to play nice (which you don't necessarily have to do), try turning up your sweetness factor.
Your birth chart is a map of the sky at the moment you were born. Download the Sun Signs app to find out how the planets’ positions influence your life.