Replaying conversations, intrusive thoughts, reassurance seeking, mental loops.
Social moments are uniquely difficult for the brain to resolve because the information needed to interpret them, what the other person actually thought, isn't available. The brain that wants to be liked has very little signal and is asked to produce a confident interpretation. The lack of resolution registers as a reason to keep reviewing. The loop sustains itself.
No. Survey research consistently finds that the vast majority of adults experience unwanted, disturbing thoughts. The thoughts are common; the distress about them varies. The content of an intrusive thought isn't evidence of intent. What separates ordinary intrusive thoughts from obsessive-compulsive disorder isn't the presence of the thoughts but the response to them.
Not by trying to stop the thoughts. The brain can't follow a negative instruction efficiently, telling yourself not to think of something keeps it active. The strategies that work change what you do with the thought rather than try to suppress it. Worry postponement, metacognitive disengagement, and shifting from interpretation to action are the main approaches.
Sometimes. Writing helps when it forces a stopping point, the thought is captured, the brain releases it. It tends to make things worse when it becomes a way of rehearsing the moment more thoroughly. Time-limited writing (five minutes, then put it away) is more useful than open-ended journaling for active rumination.
Worry is typically future-oriented (anticipating what might go wrong). Rumination is typically past-oriented (reviewing what already happened). Both involve repeated, unproductive thinking and often coexist. Both respond to similar approaches: behavioral interruption, scheduling, and treating the underlying anxiety.