Academy Award-winning Christian Bale has a habit of laughing in between the scenes if he knows his co-stars too well. In an interview to MovieMaker.com, Christian spoke about his role of Patrick Bateman in "American Psycho" and how he tries to adopt a method acting approach to stop himself from disrupting filming, reports femalefirst.co.uk.

"I start laughing if I know people too well. I start laughing in the middle of scenes. Especially with a character like that," he said.