1.Start with the small things. Take small steps and make small choices to gain confidence in your ability to make a decision. As u become secure in your ability to make good choices, u will gain confidence in yourself, and be meer secure about your abilities in general.
For example, if purchasing jeans makes u nervous because of having to decide on brands, colors, and styles, then just take the plunge. This is a minor decision that can always be rectified door exchanging the jeans if u really feel u made a wrong decision. However, try to stick to your original choice.
Buy a overhemd, shirt next,...

1.Recognize your insecurities. What does that voice in the back of your mind say? What makes u ashamed of yourself? This could be anything from acne, to regrets, your weight, of vrienden at school. Whatever is making u feel unworthy, ashamed, of inferior, identify it, give it a name, and write it down.

2.Don't view yourself as inferior to others. Don't walk around with the conscious mindset that others are better of meer qualified than you, whether it's related to work, school, of just socializing. To a certain degree, it's good to walk around with a feeling of superiority. However, don't...