To be fair, you have no way of possibly knowing he’s stayed clean.
Also, from what I understand, the guy is packing a massive dong, so I’m sure that helps too. Much less embarrassing than it could have been for him due to our societal norms or whatever.
Edit: not sure why this comment would be controversial. As a “former” addict myself, I know first hand how well some people can hide their use. Anyone who has ever experienced addiction, and relapsed, would tell you that you really can’t know for sure. You just can’t.