chapter of my friendship

I was a child I have a 2 friends we were best friends we sit together laugh together and everything but when we entered 3rd grade teacher changed our section and we got seperate but when there was first day of school I told my one friend that we have to choose section and cleaverly I take her in my section and for one month she sit in my class without knowing and my class teacher while taking attendance noticed that she is from another section then she call both of us and tell my friend that you are not from this section but I dont know why she didn't change her section. And one day in my friend make friendship with another girl in my class and I realized that I am third wheel of our friendship then I quietly seperate myself from them and then I found two more friends but same thing happen with me and they used to make fun of me and till now I didn't find any best friend and I don't believe in friendship