"Bad Thinking Diary" is a popular South Korean yuri manhwa by Park Do-han and Rangrat, detailing the intense, often toxic transition from a lifelong friendship to a romantic obsession between protagonists Kim Min-ji and Kang Yu-na. The psychological drama is noted for its high-quality art and explores complex themes of insecurity and jealousy, featuring a manipulative side character named Hye-ra. Read more details about the character of Kang Yu-na on the LGBT Characters Wikia. Reviews - Bad Thinking Diary | The StoryGraph
Neuroscientists have found that when an anxious thought stays in your head, it loops in the amygdala (the fear center). It feels huge, fast, and dangerous. However, the act of writing forces the thought to move from the limbic system to the prefrontal cortex (the logic center). By writing it down, you slow the thought down. You turn a tornado into a sentence. Once it is on paper, you can see how illogical it is. Bad Thinking Diary
Final Recommendation: Do not throw the diary away. Instead, keep two columns. For every “bad” thought, force a “neutral evidence” counterpoint. The goal is not toxic positivity; the goal is accurate thinking. Accuracy is the only known antidote to a bad thinking diary. "Bad Thinking Diary" is a popular South Korean
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