Mumbai: With numerous mega-hits in his filmography which spans over two decades in Hindi cinema, Bollywood ‘Badshah’ Shah Rukh Khan sits pretty on the pinnacle of success, but says stardom means nothing to him. “It (stardom) means nothing to me. All I know is to work from morning to night. I don’t know what it (stardom) means to me. I work almost 18 hours a day. The biggest thing in life is to define the reason for your success because I don’t know it." SRK told PTI. "I think you are dishonest if you explain it because I can’t pass it on to my daughter and son, nobody can,” he said. In 2012, ‘King’ Khan had only one release — Yash Chopra’s ’Jab Tak Hai Jaan’ opposite Katrina Kaif and Anushka Sharma. The film was a huge hit. Even this year, the superstar will have only Rohit Shetty’s ‘Chennai Express’ hitting the cinema houses. On whether it is a conscious decision to slow down, SRK said, “No it is not... I do one film at a time. Now I like to do one film a year, take time ...