second thought

It's important for her because she said she had second thoughts about simple things like jogging and hopes that the protest will "slow the scourge" of GBV.

I swallow hard—my mind fills with second thoughts.

“Agatha Swanburne would march to Lord Fredrick’s study right now and insist on putting the boys straight to bed,” she thought, and started for the door, but then she had second thoughts.

On second thought, maybe I overstated their brilliance.

To dispel troubling thoughts, she says it led her to repeat actions again and again - things most people would consider mundane and would do without a second thought.