Hi Kinyapop,
I understand your frustration. So I will try to help you to get better in the AWA. The thing about AWA which confuses and frustrates students is that its not quite straightforward like a quant or verbal GRE question, where there is a right answer and other options are wrong. AWA on the other hand is an open playing field where is no right or wrong answer.
Therefore, its very important to write a to the point and succinct arguments. I would recommend you to read this legendary post in GMAT Club which has been a guide to GMAT and GRE test takers alike to get high AWA score.
How to get 6.0 AWA....my guide