Courteney Cox Reveals The Secret Of Creating A Movie Boner

04/24/2014 04:38 pm ET | Updated Apr 28, 2014

Courteney Cox learned a great many things while making her directorial debut on "Just Before I Go," including how difficult it is to create a believable onscreen erection. (You thought we were going to say it was hard, but you thought wrong.) Watch Cox discuss the perils of mimicking sexual arousal in movies with "Just Before I Go" stars Garret Dillahunt, Seann William Scott and Olivia Thirlby on HuffPost Live above. The full interview with Cox and crew can be found here.

"Just Before I Go" premiered at the 2014 Tribeca Film Festival.

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Tribeca Film Festival 2014

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