To begin, decide what traits you would like to develop. Willpower, determination, guts, iron shutter? Any of these qualities will be useful to you in life, but you should start with basic skills of self-control.
To strengthen the nervous system, it is possible to engage auto-training, learn meditation or one of the many psychological practices aimed at relaxation. The main thing is to exercise regularly, not expecting immediate results.
Work out. Not necessarily to set records, but it is necessary to identify the purpose to which you aspire. For example, to perform 50 push-UPS in a row. Regular exercise will make you more disciplined, workout will strengthen not only the body but also the spirit.
If the sport you do not like, choose an intellectual pastime. For example, learn chess, learn the works of Shakespeare, take up the piano. It is important to obtain a permanent skill to overcome, to reach new heights. This will give you confidence.
To feel strong, find someone who is in need, protect the weak. Become a volunteer to one of the charities, there you Orient. To transfer money to someone is optional, sometimes required to help a disabled person go for a walk or to participate in the construction of the temple.
Try to tame their weakness. Afraid of heights? Be sure to bend with a parachute. Afraid the sight of blood? Become a donor and get over yourself. Every little overcome will make you stronger, and soon you will understand that you have nothing to fear.
Remember that a strong character is forged in the trials. You can every day to train will power, standing under a cold shower, but still the best teacher – life itself. Do not pass before difficulties, meet them face to face, and your character will become as strong as steel.