The rules of the game in general are going to change for everything, not just menswear. People want to have fun with clothes. We sold out of the mirror suits in New York, and the black suits were still there. It tells me that men are looking for something that makes them feel good, makes them have fun, and makes them stand out. And it's all different sorts of men.

I always like to make sense of things that, in theory, would not make any sense together. It's true that the core of Calvin Klein has been . . . I don't want to say conservative, but real clothes that are worn by everybody.

In the office, I actually act quite demented the whole day. Like Monty Python. That's my favorite kind of humor. My assistants sometimes ask me to leave.

The rules of the game in general are going to change for everything, not just menswear. People want to have fun with clothes. We sold out of the mirror suits in New York, and the black suits were still there. It tells me that men are looking for something that makes them feel good, makes them have fun, and makes them stand out. And it's all different sorts of men.

Living in America has made me more practical. And, at the same time, exactly the opposite, because I'm very open to different ways of being and seeing that are completely not practical.

I think what I'm doing is quintessentially American because I'm not American - even though I am on the verge of getting my American passport next week - I have a fantasy of what is American. Big spaces, Marlon Brando, James Dean, easy living.

When I come up with an idea for the collection, it's usually very precise, and I would say that every time, you're going to see that idea on the catwalk. It will go through ups and downs, but it's not going to be changed in the last month, that's for sure.