I just wish its not because of like...pity or responsibility or anything like that...I jus...

She knows that he is messed up, and fears that he is going to get even worse, so she decided to give him love in order to prevent him from becoming a cold blooded murderer. She loves him enough to save him from his own darkness.(I mean this time is different, the last one was to save herself and continue using Wilhelm but now it's more for Wilhelm not herself)