She was afraid to look Antonin in the eye, afraid of what she would see looking back at her. Anger she could handle easily, but if it was something else she saw... She was tired of bringing pain and heartache to everyone she knew. Maybe they would've all been better off if she never returned to Hogsmeade. Being murdered by William Wood seemed like a better fate to endure. It wasn't as if she brought any actual value to anyone else's life.