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.
“Many people on the political left found my work psychologically liberating. They began to say: once you realize that standards emerge historically, then you can see through and discard all the norms to which we have been falsely enslaved.”