I don't know why you just say 'NO' again and again?

Can't you just give me 1 last chance please? I am a 13 years old kid, you know my feelings? Everyone is human and human make mistakes we are not angles. I request you to give me 1 last chance please? Only 1 last please?

I really love to join you guys. I will help you in everything A-Z. I know you said 'NO' on a purpose because you team with me rarely. So maybe that's why? You guys are always nice and I like you all too. But please give me 1 last chance. If I fail this means fail FOREVER. Only 1 last.