# Cognitive fusion [[Thoughts are not reality. They're just creations of our mind]]. Cognitive fusion is when we consider our thoughts as ourselves, as truth, as reality. It's when we are controlled by our thoughts and believe those all the time. When we think we are one with our thoughts, we waste a lot of time and energy fighting against "ourselves". In reality, we're just accepting ideas generated by our brains, which are mainly based on emotions and a biased interpretation of past events. To improve mental health, it's better to try and achieve [[Cognitive defusion]].