The actor, who has dated several celebrities, including Renee Zellweger and Lisa Snowdon, talked to The Sun recently about his relationships.
According to The Sun he said: "I’ve failed miserably at all of them. I can say that it was always me. You can’t describe me as a great success."
He added, "I shouldn’t be putting out books on relationships – How To Date, by George."
Clooney has been nominated in three categories, including Best Director for Good Night, and Good Luck in the upcoming Oscars, which will take place on Sunday evening.