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Take a walk. Go on a trip. Venture out into the great unknown, or even venture into the slightly-less-impressive known. The point is that you will need to get out of bed and physically move on with your life, no matter how much you wish you could spend another day lying around and watching sad movies. Get active. Physical activity is one of the best things you can become engaged in while making an effort to get over someone. In contrast, lazing around on the couch day after day can make you feel resentful of yourself. Friends can be a great help in getting over someone, even if you have a hard time crying on their shoulders. When you need to feel appreciated and distracted, a night on the town with some close friends can be the perfect prescription.  Your friends might appreciate this, too, especially if you spent a lot of time neglecting them while in your relationship or chasing after your crush. Avoid letting your friends push you into new romances before you feel ready, though. This can seem tremendously difficult, but it can also have a huge impact on how thoroughly you recover. By meeting new people, you allow yourself to see that there are others who may come to appreciate and love you. Similarly, you might also realize that there really are other fish in the sea. New friends work just as well as new love interests. If anything, sometimes, new friends can be even better since it relieves the pressure of romantic tension and allows you to avoid the dreaded rebound. Above all else, realize that you are worthy of being loved, no matter what anybody else may think or feel. Create a list of things you love about yourself: your smile, your witty comments, your passion for books, etc. Make sure you are nurturing the parts of yourself you love the most whenever you decide to enter a new relationship.  Take time to do things you enjoy, especially if you did fewer of these things while you were with your ex or trying to impress your crush. Avoid shouldering all the blame. Understand that things just were not meant to be. It doesn't mean that it was your fault or that you are somehow unworthy of being loved. Never force yourself back out on the dating scene. Simply put, when you're ready, you're ready. Take it one day at a time and trust yourself to know when you feel ready to love someone in that way again. Pushing yourself into a rebound relationship or one night stand may only make you feel worse, especially when you realize that you gave away that sort of intimacy to someone you really were not all that fond of.
Leave the house. Hang out with other friends. Meet new people. Love yourself first. Take your time.