Anger management

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Do you think anger management can benefit a relationship?
I know I've got a short temper, but my S/O's is significantly worse. He only gets angry at me however, and I'm often too scared to tell him anything (those who read last night's post would understand) because I'm scared of how he'll react.
I think it would benefit us a lot, but he's too stubborn to even consider it, reason being "there's no point because I only get angry at you".