Few guys who have jobs in fast burning professions really have an exit strategy. Easy come - easy go. Money comes in big wads, and a few people think that it'll be like this forever.
This is at least, naive. In practical terms, this is very stupid.
I have just witnesses a moderately successful corporate career of a married str8 dude come to a sudden end today. Though, completely unassociated with any porn/sport or fast burning business, the guy got carried away badly, and was sent packing.
What's left? A huge mortgage. A kid. A far too expensive set of eyeglasses and a wardrobe full of far too expensive clothes. Y nada mas...
A job, whatever it is, is just a job. Those who gave it to you can take it away from you. Why wouldn't you curb down your spending enthusiasm, and work towards securing your future?