Chăm sóc bản thân. Nghiền ngẫm về quá khứ. Duy trì tầm nhìn xa. Nắm bắt cơ hội. Từ bỏ thái độ e dè.

Given the above summary, write a detailed text in English for it.
The only way you can have confidence in relationships is if you have in yourself first and foremost. Follow the steps in Part 1 and try to build your own self-confidence. If you believe in your own self-value, that's part of the journey to building more confidence in your relationships. In addition, try spending constructive time alone with yourself and finding satisfaction and fulfillment in that; read a book, go for a walk, or do some exercise. You'll tap more into yourself and what you want and can then bring this into your relationships with others.  Remember that developing healthy self-esteem is an important part of having a successful romantic relationship. In a study of  287 young adults, researchers found that those with higher self-esteem, which includes confidence in one’s appearance and personality, were more likely to have successful romantic relationships.  If your confidence has recently taken a hit due to a bad relationship or breakup, take time to recover. Many studies have been reported that divorce and separation can have an adverse effect on your mental and physical health, including heightened stress and anxiety as well as the increased likelihood of developing alcohol abuse problems, diabetes, and heart conditions. It's not easy when relationships end, but you can recover from an ended relationship by taking time to emotionally work through it and move forward. We can't change the past; however, we can change how we view the past, both its good and bad components. Try to think about your past relationships and how these might affect your present outlook. This will help you learn to cope with your romantic past without letting it define you. For example, maybe you had an ex who cheated on you in the past. Rather than blame yourself or carry the burden of the relationship on your shoulders for forever, instead think about how this experience has reduced your ability to trust potential partners easily and how you're always waiting for the other shoe to drop. Simply knowing about the...