Jake Gyllenhall is making waves in Nick Payne's dark comedy If There Is I Haven't Found It Yet, and on September 17, the actor stopped by CBS This Morning to chat about taking the stage. In the new production, Gyllenhaal plays Terry, a dysfunctional uncle whose story “isn’t dissimilar to my real life,” the actor joked. Gyllenhaal chatted with co-hosts Gayle King and Charlie Rose about playing "Unca Jake" to his two adorable nieces and joked about his beauty routine. Although the actor is nervous to make his off-Broadway debut, he’s already fallen in love with stage acting. “I love it up there,” he said. “It’s acting in its purest form.” Click below to find out why Charlie Rose is Gyllenhaal’s biggest fan, then see If There Is I Haven’t Found It Yet, opening officially on September 20!