Fan Casting Always Save the Girl in Sort by Tropes

The hero makes it plain that they value the life of their Love Interest over those of everyone else: friends, family, True Companions, strangers, even all other life in the universe. It can come about as the result of a Sadistic Choice, only having enough time to rescue one person out of several, a case of The Dulcinea Effect, or whatever other requirements the plot puts in their way and plainly making a decision.