During my teenage life, I had many friends. Some of them were good while some were bad. I learned from them that it was hard to find a best friend. Sometimes, I thought I found someone who could be my best pal, yet she was actually not a good one. Ideally, my best friend is someone who walks into my life without any expectation or return from me. That means she will always helps me when I have problems and never leaves me behind. Actually, she should be nice, sincere, neat and helpful; she may have the same interest as me and is willing to share things with me. When I have to study hard, she will also stand beside me, help tutor me or be my good advisor because I will do the same to her. The most important thing is that she should neither lie nor gossip about me and others because it shows her real identity that she does not have honesty and sincerity. Therefore, being best friend makes relationship endless.