I guess this is what happens to the majority of incest relationship. They twirl around in shame, guilt and lust all over and over that even their feelings are blurred. They want to keep this pure love yet it is tainted. I pitty these souls, have they burried the sprouts of lust at the beginning, their heart and mind would not have been this damaged.
Don't pursue what goes against natural order, it's really isn't a good ending.
Mf finally