On a recently revealed 'Show Champion' behind-the-scenes clip, the MONSTA X members had to answer questions while hooked up to a lie detector. Wonho was actually up first, and he had to answer which music show was the best. Hyungwon then had to answer what age he had been when he first watched porn.

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Hyungwon of course hesitated, and in a fit of frustration, Shownu blurted out the age he first saw porn, saying it's not hard to admit it.

Watch the clip above to check their answers!