It used to be 65 when you went into retirement. Before that, when you got into your 50s, you were getting older.
A man must not deny his manifest abilities, for that is to evade his obligations.
We're probably going to see some post-2014 military presence - some U.S. presence and a NATO presence - and while we've got much work to do in the next 29 months, we'll have additional time later for the continued professionalization of the Afghan security forces.