she's a teacher instructing england's next generation of youngsters in math. she joins me now. i read you for years. you had this column which was on business culture. it was a column that every executive read, ceos must have talked to you about it. you were in this giddy world where you were a horse whisperer to ceos and writing for the financial times. you quit it all at the point where your column was at its most influential. why? why to go become a trainee? >> i just had done it for too long. you are right, i had this amazing platform. i found a job i could do, something i was good at. but it was just too long. i had been at the ft for 31 years. writing that column for well over 20. i just wanted to do something new. i was sort of tired of the curby lifestyle or i thought i was