It might not even be something he's comfortable discussing with you outside the bedroom.
In straight relationships, a man's butt doesn't have the same level of sexual achievement as the female equivalent.
We're of the opinion that all butts are worth celebrating; hot bolywood girl in September, we shared our unfiltered, unretouched photos of 30 women's behinds — you know, in case you'd forgotten what un-Photoshopped butts really look like.
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Others swear by it, and they know exactly what they want.
You might love that idea or you might not, but just be prepared to adjust to any changes that come from Male Butt Action.