Joe, as it turns out, had a sex change operation.

The moment was actually with a friend, Joe. Mona has a screw loose, or it's a screw that has been coming loose for along time.

The more that we've worked on it I'm very happy that we made that decision.

It's quite an exercise for the actors. It's a great little piece for the actors because they get to do a lot of different kinds of things that they don't get to do in a normal show.

The biggest change? Now everyone has sex - more easily, sooner and often - than they did before,

When you've been around as long as me, Lucy, you'll know that there are three types of sex... One - brand-new, kitchen-table sex. Two - bedroom sex. Then number three - hallway sex, when you pass each other in the hallway and say 'Fuck you.'" - Lockie