Complex sentence: He has won a lot of medals at Jiu Jitsu competitions and because of his huge passion for Jiu Jitsu, he quit smoking and squeezed out two to three hours per day to practice.
Split into simpler sentences: He has won a lot of medals at Jiu Jitsu competitions. Because of his huge passion for Jiu Jitsu, he quit smoking and squeezed out two to three hours per day to practice.