According to science, kids who participate in at least two years of an activity are grittier and more successful in life. Practicing Brazilian Jiu-Jitsu is a great way to stimulate perseverance. When parents research for a constructive activity for their kids, one that will help them evolve physically and mentally, they often end up enrolling them in jiu-jitsu. After all, the “gentle art” increases self-confidence, develops kids character, discipline and collaboration,