I feed frozen because my girl cannot aim to save her life. She's got plenty of "run and hide" instinct, next to nothing of "kill kill kill." This is not an aggressive snake, and I would not trust her to defend herself if faced with something that's actually harmful, such as a live, agitated rat. If you feed live and that works for you, power to you. She eats frozen and I don't plan to switch.

If she doesn't take the meal, I wait until the next feed. So far anytime I leave one in with her overnight, she sleeps on the opposite side of the tank and won't come out until I remove the mouse.