'I was skeptical at first because I’d never had therapy, but not being able to leave the house [because of panic attacks] was so debilitating. And this was when my career was really taking off... My surroundings would trigger a panic attack, so I couldn’t go to the studio unless I was lying down in the car with a pillow over my face. I used to beat myself up about it.There were a couple of times after I released Delirium when I was doing promo and thought, "Oh god, it’s coming back, it’s coming back," but it didn’t. I think my body has become quite good at controlling anxiety.