She threw in slight OCD (obsessive-compulsive disorder) for good measure, to which I scoffed, thinking of the clothes strewn about my house.

CNN: SHARE THIS

The exercise of thinking through and building the model is very important in helping you measure success and identify risks.

FORBES: Why Customer Service is Much More than a Niche - an Interview with Assistly's Alex Bard

The point is to stop thinking we have to maximise anything - whether it's some measure of "happiness" or GDP - and start focussing on how to live.

BBC: Should we forget about growth?