Carmine skirt with those shoes? How could she?

It´s an ordinary afternoon and I´m coming home from school. Walking through the town, looking at all those advertisements about the coolest clothes in Lindex or Mango. When I come home, I look in the mirror and I see a girl wearing some jeans, t-shirt of this colour and jacket of that colour, in sneakers, looking really exhausting. And then I think of all those good-looking girls in cute dresses, with nice necklaces and it makes me feel sick.
Have you ever been in that kind of situation?
For real,  I admire those people who can buy a sweater because it goes perfectly with that scarf and they can wear those trousers with it. They have the talent, they have the style. They can tell you which colours are good for you to wear and which are not.
As I said I admire them but at the same time I hate  them! Everytime I see them, they look perfect but when I try to look similar I feel like: "What the hell? I look awful!"
I know some of those people, I have at least 2 good friends with that kind of gift and it sounds pretty good, I know,they can help me with a lot of things. We can go shopping together! :D
Please, don´t be naive. They may want to help me but when I´m listening to them, everything I hear is: "This colour looks horrible on you." and "If I were you I wouldn´t buy it." How does THIS help you when you´re holding the most amazing shoes in the world?  Those two sentences are the last thing you would like to hear in that situation, trust me.
So, what can we do about it?
Here are some steps for you to follow:
1. Go shopping on your own or with someone who will help you, not disturb you
2. Tell your fashionable friends not to critisize your clothes
3. Try to match your clothes if you want to (I know it´s hard, just try it, it´ll help you)
4. Don´t worry, wear what you like to wear, feel comfortable!
The last one is the most important, Don´t worry, just be yourself and feel confident

(and if someone would like to humiliate your style, punch him/her to the stomach)