"The thing is, I love performing. I love the buzz. I don't want to do any other job. That's why my anxiety is so upsetting and difficult to explain. It's this thing that swells up and blocks out your rational thought processes. Even when you know you want to do something, know that it will be good for you, that you'll enjoy it when you're doing it, the anxiety is telling you a different story. It's a constant battle within yourself," Zayn wrote in his book, featured on Time.