I have definitely been the one to evolve more since we married 50 years ago. I was never particularly masculine in the way that masculinity is typically defined. Totally straight, but psychologically androgynous leaning slightly to the feminine. That hasn't changed. What has changed is that I've come to claim more of that part rather than hiding it. Claiming it hasn't been without its cost but I'm finding it to seems to be worth it. I won't really know until the bill is totaled.
She has not veered to far from what her original idea of what a man should be. In many ways I believe we've both become a more complete version of the persons we started as. It's definitely a point of tension.