If you make a choice that doesn't please your mate, your friends, your mother, or whoever, the world will not fall apart - the people who truly love you want you to love yourself.
I became so frustrated with visiting inner-city schools (in America) that I just stopped going. The sense that you need to learn just isn't there. If you ask the kids what they want or need, they will say an iPod or some sneakers. In South Africa, they don't ask for money or toys. They ask for uniforms so they can go to school.
True self-esteem is realizing that you are valuable because you were born. No matter where you came from, what color your skin is, what people say about your family or what mean things people may have done to you, because you were born, you are important and you matter.