[Arthur McGowan]

Have you tried stopping cold when he interrupts, letting him finish. And then calmly finishing the sentence.

Or, try raising your voice whenever he interrupts, and just shouting the rest of your sentence.

[raybbr]

Have you tried stopping cold when he interrupts, letting him finish. And then calmly finishing the sentence.

Oh, sure. It does no good. He's sure that he knows what everyone is going to say.