?complicated time of age

There is one girl named Nunu,short hight with beautiful shape ? cute face?easygoing.she is high school student she lives in a small town. she is a very strong and very ambitious one.she is good student too so that every one of her teachers adores her starting from elementary school.nunu known by her smile ? cause she love to smile. she even got questioned by her classmates once. they were in the class writing a note given by their teacher.he was sitting behind her,suddenly he called her and she turned and say yes,then he ask, why you always smile when you talk??he said,then she replied what do you mean?well you are even smiling right now why can't you talk with out having little smile on your face?she couldn't be able to answer his question cause she don't know what to respond to him except it's my hobby I guess ?‍♀️?.they talk about 10 minute over it then they go back to their note and their teacher start to teach also. But she wasn't that much happy when it comes to her private life,she always have stressed about how can she and her brother live a better life the life that they want and dream of.