I'm the scariest person in the house. I also never hit and never raise my voice. Speak calmly, let them know the rules, enforce them consistently, give a reasonable 2 count, then put them in the corner. We do 1min for every year of age. If they're naughty again, put them in the corner again. It sucks cause you're basically in the corner too, but they catch on really quick. Raising your voice makes it feel more personal. Keeping a low voice makes it bureaucratic. "These are the rules, I just enforce them. If you do X, then Y happens," which is also often how the real world works. But others are right, the "I don't love you" hurts know but he's really saying he likes her more. It'll go away, it stings, but don't take it at face value. If you died, he'd be sad.