Me i need your and answer this question fully by paying attention to the question asked.

Change what I write. Your teacher knows your style. 

One
People,especially teens, deal with this problem all the time. They may be poor and have to deal with clothing or even cleanliness issues. Who can afford 80 dollar designer jeans? Not everyone. Who can pay attention to makeup when you've had 3 meals in 3 days? That has to affect the way you look at the world. Even if money is not an issue, class is. There are always kids who pick on others because they can't fit in. If a person is lucky, their response is sports or something else that they excel at.  

Two
Everyone experiences stress. Money, exams, dates for important events, clothes, acceptance, parents (if you're a teen), teens (if you are a parent), using the family car responsibly can all contribute to stress. People under severe stress respond differently. Some become short tempered. Some become lethargic. Some turn to drugs which have their own set of symptoms, depending on the drug. One thing is for sure: people on drugs change dramatically. It's unmistakable. 

Four
Well this is pretty personal, especially if you've written on it before. A great coping mechanism is prayer for some people. It really doesn't matter who hears you, or what you say or how you say it. It only matters that you stay still and do it. The main thing is to try and shut yourself down while the stress is at it's highest point. Many older people are really stressed out by health. That especially requires quite times. Stop worrying is another way of coping. Most of the time worry does no good at all. Things causing stress will go away or they won't. Worry isn't going to bring things about any quicker or better.