The Four of Swords is always a great card to get, especially if you are worrying about taking action and don't know what to do. If this sounds like you, then know that this card is telling you to stop and relax, and rest. Things are going to be figured out, and you really need a time out so you can get some of your clarity and energy back.
It's hard for some of us to take a break. We think that if we do, we are going to be missing out on something, or are not utilizing our time correctly, or that we are unproductive.
Rest is productive, because rest is what in the long run helps you accomplish what you want to accomplish. But when approaching rest and relaxation, it should be approached with presence of mind.
Usually, without fail, when we are really fatigued are the times we want to most change our whole world, to figure out what our life purpose is, to figure out a situation's solution. Love yourself enough to say “this is not the time," and to rest, so you can tackle the big questions another time. Make it a mandatory part of the process. Odds are after you take a rest, things will not bother you as much as they do right now.
This doesn't mean you literally need to just sleep, though that helps, but just allow for time when you are going to set your concerns aside.
I'll never forget when I was in high school and my mother was doing my hair for a dance. She, in her haste, got a curling brush stuck in my hair. She started panicking, and was going to cut a chunk of my hair out, trying to convince me I'd love bangs. My father came over and said “chill out," which she was not pleased with, but my father then proceeded to take my hair out of the brush, strand by strand.
Oft times it takes being calm to get to the right solution. Sometimes we have to make snap decisions, but this card is saying that this is not one of those times, so “chill out," rest. Take your time. You are allowed, and right now it is necessary for you to move forward with ease.