When you're acting and you need to cry, you want to put yourself in a position where you're trying not to cry, because that is generally what people try and do. They try to hold on to their emotions, they don't want to lose them.
“Anybody can have a birthday. It requires nothing. Murderers have birthdays. It's the opposite of anything that I believe in. And I don't like at work where you stop everything to sing 'Happy Birthday' to someone. I feel like that's for children.”