Fortunately , if you wait until bonus time you 'll always get free moisturizer , and they 're all basically the same so there 's no point in dropping 50 bucks on any single one of them . The woman who sold me my treats seemed tired . She had a chain - smoker 's voice .

Based on the preceding passage, answer the following question What may be the reason why the woman looked tired ?
She had worked a long day .