Bring back Jeff
In his recent commentary on Hawthorn's poor form he hinted that the club's super-coach Alastair Clarkson might have run out of puff when he said "I think about six to nine years is enough when it comes to leadership."
I think he's right. After that amount of time you start marking time. Think of all the people you know in management / leadership positions who have been there fifteen and twenty years.