Top tips
1 use proper capitalization
2 don't use slang or phrases such as 'like', 'a big thing', and 'just', instead use 'such as', 'popular', and don't use 'just' (good for many contexts such as the fourth paragraph)
3 use proper punctuation
4 don't say, 'or something', or 'i think' or any of that crap, say it with confidence (this is especially prevalent in the first paragraph so fix that)
5 in the last paragraph don't say 'yelling at each other' instead say 'at war' or 'fighting'
Hope these tips help you get a better grade