Example of Short story. explain it.

Yeaterday I meet my old friend. She is my friend when I was in smp use to she is very fat but now she is very slim and look beautiful. I am surprise when I meet her first , because she is very different. She is look very very beautiful and friendly, when I ask her what about the different about her she say let that " i take a part a beautiful course". so I know that what a reason why she look like that