Never too old to gain qualifications mate. I worked in a factory until i was 25 then i decided to train to be a counsellor. Im 27 now and have many relevant qualifications that i need for counselling and im working in the mental health field to gain experience
You need to expand on this a little more. I take it you mean the physical and mental attributes needed?
Well, Speed and stamina are the most important, then boxing skill and strength. You also need a lot of will power and dedication as the training is very tough and you may need to call on all...