Men: don't wear the untucked shirttail. It cuts you in half, which is a very bad proportion. Think of yourself as a series of thirds. So when the shirt is tucked in, you're 1/3 on top, 2/3 on the bottom.

Success needs to be measured according to the ambitions and the resources of each designer. And many aren't interested in being a megabrand.

Does a man need to know what a peplum is? Probably not.

I've worn a suit and tie for most of my life. And I believe (for me), it makes me more confident navigating the world.

I always say I have a Socratic approach to most things that I do. I pummel people with questions, because I need to know what they're thinking, what they're trying to achieve, what they believe the final outcome is going to be.

I've never mentioned this, but when I was at Parsons teaching, the other design disciplines, they don't like fashion design. They see it as very nineteenth-century.

Remember, channel your inner winner.