Charlie Sheen and his addiction prevention?

Charlie Sheen just checked into rehab, "as a preventative measure", according to his publicist, Stan Rosenfield.

My Opinion: I thought everyone checked into rehab as a preventative measure.....
Rehab is supposed to prevent: losing your job, your car, your money, your woman, your life, your kids, etc.....

Well, anyway, good luck Charlie on your road to recovering from this yet unnamed source of difficulty in your life.