"I'm a Method actor. I spent years training for the drinking and carousing I had to do in this film"

In this quote, George Clooney is describing his method to acting, referred to as the Method acting technique. This technique includes immersing oneself completely into a character, both psychologically and mentally, in order to deliver a more authentic and believable performance. Clooney describes that he invested a significant amount of time getting ready for his function in a specific movie, particularly for the scenes where his character engages in heavy drinking and partying. This training likely included studying the habits and mannerisms of individuals who take part in such activities, in addition to practicing and refining his own representation of these actions. By devoting himself to this training, Clooney shows his commitment to his craft and his desire to deliver a convincing efficiency.