Perfectionism can turn an ordinary task into a test of your worth. You revise the email again, replay a conversation or delay starting because the result might fall short.
Notice the pattern
Look for the point where useful care becomes repeated checking or avoidance. Ask yourself whether the next revision changes the work or simply postpones the discomfort of finishing.
Pause before another check
Give yourself a brief pause before acting on the urge to revise. Name the concern: is there a specific problem to solve, or are you looking for certainty that the task cannot provide?
Choose a useful next step
Define what the task needs to do. Set a reasonable stopping point, then choose one action that serves that purpose. Sending a clear email or completing a rough draft can be a more useful next step than polishing indefinitely.
Review without starting the spiral again
Afterwards, reflect on what worked and what you would adjust next time. A mistake can be information for the next attempt without becoming a verdict on you.