I think it is really better to be fluid with roles.
Example, noon kabataan ko, trabaho ko mag ahente ng overpriced na massage bed. Pagdating sa sales, mas may advantage ang feminine traits, at saka pagiging outgoing para mas madali mambola ng costumer.
So, napagkakamalan akong bakla or silahis, pero hindi nila alam it is just a persona. In reality kabaligtaran ako nung akala nila.
Similarly, pag babae nmn ay nasa leadership role, mas makakabuti mag adopt ng masculine traits (non emotional, nontransparent,). This is why meron tayong perception na baka tibo o matandang dalaga sila. Which again, may (or may not) be just a persona for the task at hand.
Sa relationship nmn, wala tlgang bearing sa isang mature na relationship ang gender roles kung between sa partners lang. Pero pag may anak na sa equation, meron mga physiological factors ang magiging reason na maging challenge ang role reversal. It is easier to turn to the traditional. Though, it's still a case to case basis.
If I misunderstood your question pls elaborate nlang.