Complex sentence: Having previously trained in boxing Ticky found karate'slow' and was ready to quit after his first lesson but changed his mind after seeing a dynamic demonstration from the legendary Tatsuo Suzuki himself and from that point on was hooked.
Split into simpler sentences: Having previously trained in boxing Ticky found karate'slow' and was ready to quit after his first lesson. However he changed his mind after seeing a dynamic demonstration from the legendary Tatsuo Suzuki himself and from that point on was hooked.