The process is very gradual, you see. At first there's the tainted stage; they know what will eventually happen to them if they go on but they say, 'Oh God, don't do it to me do it again, please, please.'
I know that if I'd had to go and take an exam for acting, I wouldn't have got anywhere. You don't take exams for acting, you take your courage.
The biggest break in my career was getting into the Beatles in 1962. The second biggest break since then is getting out of them.

