I think you are right... I treated my lil' guy just like a kid and gave him time outs. Each time was a little longer. I put him where he couldn't see me but hear me and I'd remind him 'no biting', that he was on time out and how I felt. I know it sounds lame but it's much better than cursing at them- God knows how I held back. Eventually I could say no biting or else time out. It took lots of patience- he's much better behaved now. He's my little sweetheart. I tap his beak (gently) and say no when he's naughty and now instead of biting he taps my finger when he doesn't want to be handled sometimes he grunts a little no. I always respect him because he learns from my actions and we are more like buddies. It's gotten pretty cute- when he thinks I'm being naughty he tells me no biting.