First, read the English article below.

Losing a family member or friend is one of the most difficult things you will ever go through. The mourning process can be long and intense. It is important to allow yourself the time and space necessary to grieve. You need to recognize that you have suffered a powerful loss.  Don't try to immediately move on. In order to heal, you should allow yourself to experience the range of emotions that go along with a loss. Acknowledge that you have lost someone important. It's fine to say to yourself that you've lost your sister and your life is going to take another course. Give yourself time to figure out how your life will change. It will take a while to adjust to your new normal. Everyone grieves differently. But there are some stages of grief that most people go through. Learning about the process can help you realize that what you are experiencing is normal.  Denial is the first stage. You might experience this situation cannot be real. Many people move from denial to anger. You may ask yourself whom you could blame. Bargaining is the next stage, in which you might often think that you can stop this event to happen when you make a change. It is common to move from bargaining to depression. Typically, this stage can last for a while. Finally, acceptance is the last stage of the process. That doesn't mean that you won't be sad anymore, but that you have reached some level of peace. Remember that everyone experiences these stages differently. You might not go through each step, or you may experience them in a different order. The key is just to acknowledge where you are in the process. Grieving can be an intensely personal process. After all, you are the only one who truly knows what you have lost. However, it is important not to completely isolate yourself during the grieving process.  Reach out to others who knew your loved one. It can be a great comfort to be around others who loved the departed. If you lost a close friend, connect with others who considered that person a friend. If you find yourself feeling... 

Now, please write a short abstract for it in Vietnamese. Abstract:
Thừa nhận sự mất mát. Tìm hiểu giai đoạn của thương tiếc. Tìm hệ thống hỗ trợ. Chăm sóc bản thân. Sống cho bản thân. Tưởng nhớ người thân.