James Franco, along with co-star Seth Rogen, have been promoting their new film, The Interview, mainly by showing off their dicks or simply discussing them. In a new clip, James Franco does more of the latter, but this time he enlists pal Zac Efron, the "master of masturbation." With James Franco in character, the two discuss masturbating and driving, masturbating #handsfree, and masturbating as a defense tactic. Here's all the answers to the questions you never asked, above.

Case closed.