What are two doubts or fear George and Emily express?

In "Our Town" by Thornton Wilder, George expresses fear about his future and whether he will be able to provide for Emily and make her happy. Emily, on the other hand, doubts whether she truly understands the depths of life and the significance of everyday moments, especially as she contemplates her own mortality. Both characters grApple with the uncertainty of their choices and the fleeting nature of life.