TMZ may collect a share of sales or other compensation from links on this page. Missed flights, mixed signals and mysterious mood swings got you down? You could take responsibility … or you could blame Mercury in retrograde like everybody else. Instead of spiraling (or making any major life decisions) consider grounding yourself with these astrology-approved essentials. From a guided astrology workbook to decode your chart all the way to crystals that promise to protect your peace, these picks