At this point, why stop there? Go ahead and tell her how the photos you took of her in the shower show she's putting on even more weight. If anything, making her take the time to think of how to kill you five times over instead of just twice gives you a few more moments with your intestines on your inside.
Good, I can feel your anger. He is defenseless. Take your weapon. Strike him down with all of your hatred and your journey towards the tsun side will be completed!