The simple nature of the mythical 'new manager bounce.' An unexplained non-scientific phenomena that exists in the ether of football. The hows and whys are understood, just about, but the secret to expanding the golden run long enough to create long-term success is so far all but impossible.
It's almost harsh to call it a 'new manager bounce' because it takes away the fundamental success that one manager has had despite the fortunes of a team often being so dire that their predecessor needed to lose their job. For Graham Potter it's a new feeling, but then again so is everything about his takeover at Chelsea.
He was sat down in a kitted out Aston Martin DB5 by Q and told to test the gadgets as he wished, but careful, there's a driver side ejector seat in there somewhere.