One virtue of anxiety is sometimes you do come up with a new approach to solving a problem the 1000th time you think it over, even if you haven’t learned any pertinent information in the interim.
The new approach is probably bad, but at least the rate of new ideas never falls to zero and so there is a corresponding value, albeit with diminishing marginal returns, to rumination. When presented with complex, unforgiving, long-term problems, that may be indispensable.
Greta Thunberg, schoolgirl climate change warrior: ‘Some people can let things go. I can’t’ | World news | The Guardian
Shouldn’t you also consider the ideas you might have had in unrelated areas if you weren’t compelled to think about the same things over and over?