Hi coaches

I have difficulties with the tone of voice.

I want to put it in C line but one can argue it is not a circumstance.
Although I think sometimes it is.

C : C. says « let me finish my sentence »
T : i don’t want my boyfriend to talk to me in this harsh way.
F: angry
A : i criticize him and complain about him
R : we don’t talk to each other

I have difficulties because the thought : i don’t want my BF to talk to me in a harsh way » is not helping me to react in a productive way BUT I don’t want my BF to talk to me in a harsh way and i want it to be a boundary for me.

Can you help me with that ?

Thanks