I'd been hugely impressed with him but when we moved to London, I realised that I didn't want to carry on living with him. So I was worrying about everything - leaving him, where I was going to live, what job I was going to do and how I was going to survive. At first, I wasn't surprised when my hair started falling out. I felt something physical had to happen with that amount of stress. I've always been very sensitive and tend to overreact to stressful things. I think it comes from my childhood - my father worked for the UN and as kids we moved around the Middle East a lot. As a result, I've always searched and struggled to feel secure. But, at that stage, I wasn't too alarmed about the hair loss. I'd always had thick hair, so I thought it would grow back. But then more patches started to appear, and they started to join up, until, a year later, I had no hair at all on the back of my head. Then, it started creeping up and up until I only had a few hairs left on the top of my head. It was devastating, as if my body was out of control. The doctor told me it was alopecia, and

although it may be stress-related, nobody knows what actually causes it. He casually said, "Jo, you know there's no cure, don't you?" I was in shock. He basically said, "I can't do anything about it, now go away." 'It's actually quite rare to lose all your hair on your head. With alopecia, the immune system sees hair as a foreign body and attacks the follicles to stop it growing. Most people just get bald patches which recover, but, with some people, hair loss is permanent. 'When I lost my