Actor Samuel L. Jackson revealed a trade secret from Bruce Willis that the actor says kept him sane during his five-decade career in Hollywood. Speaking to Vanity Fair earlier this week, Jackson said his “Die Hard With a Vengeance” co-star had a surprising reason for returning to the role of John McClane throughout his career.

Bruce Willis, known for his legendary performance as John McClane in the Die Hard franchise, celebrated his 70th birthday on March 19. Samuel L. Jackson, who co-starred with him in 1994’s Pulp Fiction,

Samuel L. Jackson is reminiscing about some lucrative movie advice Bruce Willis gave him that ended up paying off ― big time. The two first collaborated on the third “Die Hard” movie, 1995’s “Die Hard With a Vengeance.