The Robson Coefficient
A value representative of someone's ability to hold out when under immense pressure from friends or family, even if it is to do something they really want to do or will really enjoy. Can be calculated by the equation: (Stubbornness x Need to be right) cubed.
George: I want to get Dan to play pro clubs again but I don't think he's going to do it.
Daniel: Yeah he's a stubborn bastard.
Matty: Have you applied the Robson Coefficient?
Daniel: Yeah he's a stubborn bastard.
Matty: Have you applied the Robson Coefficient?