First, read the English article below.

Laughter is a key to a sense of humor. Focus on laughing more every day, even laughing at yourself. Enjoy small things, find humor in everyday situations, and find humor in life's misfortunes. Smile as often as you can. Try making other people laugh, too. Make laughing a priority, for yourself and for others. When you find yourself in a tense situation, step back and laugh. Anger is a powerful emotion, but laughter also has a powerful hold over our minds and bodies. Toss out a one-liner, laugh at the situation, or use humor to diffuse a situation.   It might save you some stress and heartache.   Sometimes tense or uncomfortable situations benefit from some comedic relief. A joke can take some of the tension away and make people feel more comfortable. When you know you are about to go off on someone, crack a joke. If you're fighting with your sibling, you can say, "We've been fighting about this same thing for 10 years! Apparently, we're stuck as teenagers." If someone makes fun of your old car, you can respond, "I bet you don't look as good as you did 15 years ago, either!" Let go of things that make you immediately feel defensive. Forget criticisms, judgments, and self-doubt. Instead, let those bothersome things roll off your back as you have a sense of humor about them. Everyone is not out to criticize you or to get you. Instead, smile or laugh. Having a light-hearted attitude about yourself is one way of keeping a sense of humor. Learn to laugh at yourself. Everyone needs to take themselves seriously sometimes, but learning to laugh at yourself is a way to self-acceptance. No one is perfect, and we all make mistakes. Don't take yourself too seriously, and keep good humor about your life.  Laugh off things you cannot control, such as age and appearance. If you have a big nose, make fun of yourself instead of getting upset. If you're getting older, laugh at the over the hill cards. Even if you feel uncomfortable making fun of yourself, shrug that stuff off, especially if you can't change it. Laugh at your... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Học cách cười vang. Cười vang thay vì phản ứng. Loại bỏ tính phòng thủ. Chấp nhận bản thân. Không tạo áp lực cho người khác. Có tính tự phát.