Tìm kiếm niềm đam mê. Thoải mái khi là chính mình. Thừa nhận cảm xúc của bản thân. Nhìn vào mặt tích cực của vấn đề, nhưng phải trung thực. Hiểu được tầm ảnh hưởng của những sự việc tiêu cực trong quá khứ đối với hiện tại. Ghi nhật ký. Tập ngồi thiền. Sống lành mạnh.

Given the above summary, write a detailed text in English for it.
Being cheerful isn’t something that’s going to just come about by wishing it. To spread cheer to others, it will be necessary to actually love your life. This means finding and practicing activities that you’re passionate about.  Make a list of times in your life when you were deeply happy. Include as many details as possible. Include who you were with at the time, whether you were indoors or outdoors, what activities you were doing, and perhaps even what the temperature was like. These details will be different for everyone, so it’s important to flesh out all those details. Then, look for trends in the details. Have you been most happy when you’re outdoors in nature? Or is it when you’re surrounded by people who challenge you? Notice which conditions produce the most happiness. Then, work on sharing these conditions with other people. Maximize the time you spend under those circumstances. Before you know it, cheerfulness can become natural to you. If nothing comes to mind when you think about your passions, this may take some time and effort on your part. Rest assured that everyone has the potential for passion. Experiment with many activities and situations until passion starts to emerge. Becoming cheerful requires being comfortable with yourself. You are a unique person with your own individual traits, strengths and challenges. Be proud of your abilities and strive to be happy about who you are. Avoid striving for perfection. Instead, think of yourself and your life as works in progress. This can make it easier to accept yourself. Humans are complex. Even people who appear cheerful most of the time experience a broad range of emotions throughout any given day. Don't try to force yourself to feel happy all the time.  Sometimes, you might realize that being cheerful just isn’t something you’re capable of at the moment. There's nothing wrong with that. What’s most important is that you learn to accept your emotions. Learn to work with what you feel instead of trying to focus only on those emotions that you...