Today Saturn begins its retrograde motion in Libra, continuing "backwards" until June 12. Just like any other retrograde planet (including that trickster Mercury), periods of retrograde are periods of "re:" renewing, reflecting, restarting, etc. Instead of being viewed negatively, these retrograde periods are a positive time to slow down (especially as Saturn now turns retrograde, and for the next few days) and possibly make some necessary changes.
Saturn symbolizes goals, responsibilities, and limits, so now is the time to reflect on any sources of frustration in your life caused by these things (or a lack of). Now is not the time to start new projects but rather to finish up any