Two.

one day, while she was going by bus, she feel that someone is looking at her. when she looked into that direction, a stranger told her: "you look happy today, keep on the good work". she was pretty amused about the situation and the next moment she wanted to say something, but he was gone. sooo... eventhough in the evening she was very tired, she had a big smile on her face and she realized that the only one that thinks that she's a bad person is herself aaand well... end of story today