Will Smith takes his acting roles seriously, and his regime impacts everyone on set. Retired NBA star John Salley, who co-starred alongside Smith in three of the four Bad Boys movies, recently detailed Smith’s intensity behind the scenes while chatting with the Fast Break podcast.

In fact, one of his Bad Boys co-stars recently opened up about a quirky habit of Smith’s that was a little too distracting on the sets. Will Smith, apparently, has a super strange technique that helps him remember all his lines—and deliver them at just the right moment.