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It's not an issue of whether a married couple living apart is "untraditional", it's an issue of both parties agreeing to the living arrangement. Perhaps her husband would be fine with it, in which case it will work. Perhaps he wants to (heaven forbid) live with the woman he married, in which case it won't.
A part of marriage is sublimating your own desires for the good of the other person. This goes for men as well as women.
I am wondering if the reactions would be different if the writer was a man who wanted to live apart from his wife. I highly doubt most people would not look askance at that.