By Martina Nikolova, 8a, 119 SU (Sofia, BULGARIA)
My best friend is my sister Greta. She is my best friend because we are sisters. She knows me since I was born and we know everything about each other. She studies in a university in Germany but we still communicate and we are still best friends. I love my sister because she is very helpful and she always understands me. I can talk to her about anything. One more thing that I like about our friendship is that whenever I am sad she will always make me happy and laugh. I hope that we are going to be best friends in the future. After all we are sisters.