There are a number of thought patterns that are often present among those who attempt suicide. If someone tells you they are experiencing one or more of these issues, this may be a matter for concern. For example:  Suicidal individuals frequently dwell on a thought obsessively, unable to stop thinking about it. Suicidal individuals often believe there is no hope for them, and no way to end the pain other than killing themselves. Suicidal individuals often see life as meaningless or believe they have no control over their lives. Suicidal individuals often describe the sensation that their brain is in a fog, or have difficulty concentrating. Similarly, suicidal individuals frequently experience troubled emotional states that can lead them to drastic actions. For example:  Suicidal people often suffer from extreme mood swings, such as becoming suddenly depressed or angry. Suicidal individuals often experience extreme anger, rage, or vengeful feelings. Suicidal people often suffer from high levels of anxiety. They are also frequently irritable.  Suicidal people often experience strong feelings of guilt or shame, or the sense that they are a burden to others. Suicidal people often experience a sense of loneliness or isolation, even when among other people, and may also exhibit signs of shame or humiliation. There are many verbal cues that might signify that someone may be experiencing these types of distress and may be planning to take their own life. For example, if someone talks a lot about dying, this may be a warning sign if it's not something that person normally would do. There are also many other verbal cues to look out for, such as a person making any of the statements below.  “It’s just not worth it,” “Life isn’t worth living,” or “It doesn’t matter anymore.” “They won't have me around to hurt anymore.” “They’ll miss me when I’m gone,” or “You’ll be sorry when I’m gone.” “I just can’t stand the pain,” or “I just can’t deal with everything — life’s too hard.” “I’m so lonely I wish I could die.” “You/my...

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Write a summary of the previous text in Vietnamese:
Nhận biết kiểu suy nghĩ của người muốn tự tử. Nhận biết trạng thái cảm xúc muốn tự sát. Nhận biết dấu hiệu muốn tự sát thông qua lời nói. Không bị đánh lừa bởi những cải thiện đột ngột.