Hello from California. I study Kajukenbo. I have been studying this for somewhere around the 10 year mark. I started when I was 7, I'm 16 now turning 17 in November. I am a Second Degree/Dan Black Belt. I was on the forums for a day or two and I forgot to introduce myself haha. I'm a junior in highschool at the moment. I am currently on the demonstration team and an assistant instructor in the teenager class of our school. For those thinking, WHOA! A 16 year old as a second degree, his school must definitely be a McDojo, I can (hopefully) assure you it isn't. Our process to get a black belt, from a white belt is 4 1/2 years to 5 years minimum. It is normal to reach eligibility in this time frame. The reason I say minimum is because most people either fail or quit during the Black Belt School process, which is a 6 month training period to get physically fit enough for the test. Another fair amount fail during the test itself. I can't go into details about the test but it is an (atleast) 8 hour test spanning the length of two days, Friday night, Saturday morning. Just shooting down any possible claims before they start. I feel great pride in my dojo and I wish that nobody would claim that it is a black belt factory. Sorry.