But once you are in that field, emotional intelligence emerges as a much stronger predictor of who will be most successful, because it is how we handle ourselves in our relationships that determines how well we do once we are in a given job.

When I went on to write my next book, Working With Emotional Intelligence, I wanted to make a business case that the best performers were those people strong in these skills.

Emotional intelligence begins to develop in the earliest years. All the small exchanges children have with their parents, teachers, and with each other carry emotional messages.

Buying phosphate-free soap allows you to say, 'My detergent doesn't have the harsh chemicals others do.' The question is, how are you washing with it? The very worst thing for the Earth about detergent is that we heat water to use it.

The first person on the BBC that played me was Huw Stephens. I was sat around my laptop with my girlfriend and my family, and it was super-exciting. It felt weird, and it sounded weirder, but it was great.

I believe that having a family in the dressing room is very important when it comes to winning trophies.

I want to make sure that no matter how long I go through this, I don't fall into the trap of changing and modifying how I do things that aren't a positive example. I want to remain somebody that the entire family can listen to or watch.

What about those who help growth indirectly, those who stay at home and look after others - mothers, carers of elderly parents or sick relatives who save the state millions of pounds annually. What is their worth? How is their value to be determined?