Many of the character's within David's work are based on real people. This is something that he observed in one is his literary hero's work - Willy Russell. From Our Day Out to Blood Brothers to Educating Rita, David was intrigued and engaged by the depth of Russell's characters and has used this as a firm basis in many of his own plays. Similarly to Willy Russell, the TV writer Jimmy McGovern has also inspired much of David's work, in particular the naturalistic dialogue and interesting characters and scenarios.