After the breakup, the ex-girlfriend updated her circle of friends more frequently, indicating that she knew that you didn't completely ignore her because of the breakup. She knows that you will carefully read every circle of friends she sends. She wants to use her circle of friends to express her current thoughts and tell you her life status. If you think you want to start over with her, you can try to like the comments from your circle of friends and see how she reacts, so that you can better understand her thoughts.