Masculine Living rooms

Decorating for a man can involves creating a space that is masculine and bachelorism,
most men like to prove how manly they are so a lot of times most men will lean
more to the dark side of the color wheel. Pinks and pastels are normally out of
the question, as a designer I can respect that but what happens when there is a
woman in that mix. How do you create a space for him and also keep her