You can rate boxing lessons for kids. Interestingly, most enterprising parents send not only boys, but also girls to the boxing section. Personality formation and character formation in a teenager occurs up to the age of 10-11. At this time, he develops a sense of his own independence, emotions and charisma begin to manifest themselves. There is no way to allow him to grow up malleable, careless, loyal to his surroundings, easily exposed to the negative influence of his peers, unable to stand up for himself and show self-esteem.