I love doing crosswords, it's so important to keep the brain going.

I have got the best of both worlds; growing up in Edinburgh and now living outside Glasgow.

It was despairing to find out that I am mortal.

There have been a lot of exercises and I've had to force myself to go out for walks even when I didn't feel like it, but apart from that, I am a lot better.

You don't say to a university professor who is immersed in a particular subject that they should get a life. They are encouraged to enjoy their subject and to pass it on.