Probably, everyone at a certain point in his life experienced such a state - the "chewing" of thoughts and experiences. The scientific phenomenon is called "rumination". There was a problem with a person or, on the contrary, a joyful event and he had thoughts in his head. First in a straight line, and then in a circle and in a circle. And it's fine if there's anything good running around in your head. Why not? The main thing is not to get carried away for too long. But, unfortunately, people more often chase in their heads thoughts unpleasant. Conflict with a colleague at work, for example. Already the night has come, and the man all the debate in his head is with the offender. And it is not that the debate has dragged on by itself. Just a thought, like an airplane with an unreleased landing gear, every time comes to the landing, and then climbes up again ... and so hours, if not days. The very process of thinking about the problem is not so bad. Even more than once you can lose t