http://www.psychicguild.com/Weekly-Horoscope/Libra ~ Weekly Horoscope Forecast for Zodiac Sign Libra. If you had the misfortune to develop foot–in–mouth disease during the last 2 weeks of May when Mercury the communicator was in retrograde mode, you’ll get a chance to either redeem yourself or possibly make things worse this week, starting Tuesday, when retrograde Mercury backs up into Gemini.