A man's best friend is a good wife.

Experts on romance say for a happy marriage there has to be more than a passionate love. For a lasting union, they insist, there must be a genuine liking for each other. Which, in my book, is a good definition for friendship.

I don't feel jealous of her lovers because. of course, she has a life to lead, and so do I. Basically, I try to make sure she's happy with whoever she's with and she tries to do the same for me.

I open up to her more than anybody else. We have gone through a lot of ups and downs in our time together, but that has made our relationship all the stronger.

Sisters make the best friends in the world.

I was a working-class macho guy who was used to being served and Yoko didn't buy that.