I pulled a chair away from a girl who was just about to sit down on our second day of primary school. She farted when she hit the floor and everyone laughed.

I've mentioned that we strongly prefer to use cash rather than Berkshire stock in acquisitions. A study of the record will tell you why: If you aggregate all of our stock-only mergers (excluding those we did with two affiliated companies, Diversified Retailing and Blue Chip Stamps), you will find that our shareholders are slightly worse off than they would have been had I not done the transactions. Though it hurts me to say it, when I've issued stock, I've cost you money.

My dog, Mr Q, because he has the saddest look when I leave.

Some of my teachers. I was a bit of a handful as a kid. They were just trying to do their job and I made it very difficult.

Run to the Sun by NERD. I’ve always loved that song. People always think that Pharrell [Williams] wrote it about a lover but it was about his grandmother, who passed away. My brother was a massive NERD fan – he got me into them and there’s something so pure and loving about that song. I want my funeral to be a joyous occasion, I want people to rave and to wear bright colours. But for the moment of reflection, I want that song.

Better bike lanes in London.

I choked on a hard-boiled lemon sweet when I was 13. My brother Sam saved me.

When I was 11 and we got Sky TV.

Retaining my sense of self in an insecure job.