As the adage goes, if you shoot at the king, you'd better kill him.
"If a killer comes to town, he'd better kill someone quick or people will wonder what he's doing here."
The man of me remembered, far back in my head, that I'd better not kill if I could avoid it.
Sometimes men cut their bullets off flat across the nose to make them kill better.
Hadn't I better kill myself and save him the trouble!
You'll have to escape and perhaps you'd better kill me at the same time.
But when the pinch came, he decided he'd better kill you, too.
And if anything happens to my husband, you can be sure of it, you'd better kill me too.
So you'd better kill me, now, and be done with it.
Tell him he'd better kill me good with that first shot.