First, read the English article below.

If this person is part of your main crew or is someone with whom you’ve been very close, it’s time to expand your circle of friends. Call up someone you haven’t seen in a while and ask if they want to hang out. Or chat with that guy you’re sort-of friends with in science class and see if he wants to catch a movie sometime.  Focusing on this one person you have feelings for can narrow your scope: it can seem like no one else exists or can make you happy. Meeting new people reminds you this is not true. Don't isolate. You may feel like you just want to be left alone, and that's okay sometimes. But spending time with other people will speed up the healing process and distract you. Keeping busy is an important step toward redirecting your focus and not thinking about your feelings for this person. Don't give yourself time to think about it.  Volunteer or get involved in a cause you are passionate about. Go to the movies, listen to upbeat music, read a good book, exercise, or dance. Start a new creative project, like writing a story, song, or poem; draw or paint a picture; learn a dance. Concentrate on your studies or work. Laughter releases endorphins, which make you feel good and happy. Spend time with people who make you laugh, doing things you love. Go to a karaoke lounge and laugh at each other as you try to belt out pop hits. Go to an amusement park or play a sport that you love--exercise increases endorphins, too.  Watch a comedy, funny videos online, or even just search for funny animated gifs. Laughter increases pain resistance. When you experience emotional pain, it activates the same areas of your brain as physical pain. Laughing will relieve your heartache. Your self-esteem can take a major hit after rejection, and it's common to only focus on your perceived faults. They didn't like you because you are this or because you aren't that... this only worsens the pain. Focus on your positive traits, writing down your achievements, good things you've done, and things you really like about yourself.  Ask your... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Kết nối lại với những người quen hoặc kết bạn mới. Làm cuộc sống phong phú hơn bằng những hoạt động và sở thích mới. Luôn vui vẻ. Liệt kê những điều bạn thích ở bản thân bạn.