Not by necessity. She might be monogamous, or not attracted to females as much, and her attraction to Morgan only developed over time, etcetera. There a lot of loose parts.
Also, wouldn't she be fine with doing it with the female characters, what with her being in a lesbian relationship that I'm assuming is of the sexual nature.
Jo, the rest of us are with you on the "fuck patron" front, though much in depth analysis in the community suggests it might not be the patrons fault (it certainly makes it worse) but the warsong commander's, since it's far more pivotal to the deck.