My wife definitely loves me, but with women it is not the same kind of unconditional dedication a man will have. I never like making my wife upset, I never like it when she cries, I always do my best to make sure she is as satisfied as I can make her in any one instance and I've always been that way with all the women I've been with. She isn't the same way. She doesn't go out of her way to hurt me, necessarily, but she can't go out of her way to make sure it never happens. If that makes sense.
My ex described it once as 'I'm my own first concern, then you come after.' And it broke my heart at the time, but I realize that is literally just how their brains work now.