You can't tell people what to and what not to say on your application. Be gracious for any advice they can give you.
I don't think you have many issues with your activity; I do see you on both the forums and in game quite often. I also think that you can be kind sometimes, as long as your are calm.
However, I truly think you have a lot of issues with temper, as well as immaturity and generally getting easily frustrated. This is demonstrated by your posts above, so please try in the future to read through what you are saying and try to be less volatile when people are trying to help.
The reason that this attitude bothers me so much is the fact that it leads to the possibility of you snapping at people who criticise you, which is a very bad thing for a staff member. Try to work on this, alright?
Other than that, your application was very short, and you didn't explain anything very well. Your weaknesses were also very bad, as none of them were really what we are looking for; I have already included something I personally think you should add. Also, next time, try to elaborate on everything a little better, and for your weaknesses, tell us how you are working on them.