Aside: what’s the gist of this channel? I’m not really familiar with it but the last few things I’ve seen of it appear to be two brothers communicating to each other via vlogs?
I don’t have advice – because In the past I have also had issues with voice shaking and tears when in emotional situations. No clue if I’ve grown out of it or have just been better at avoiding them.
I need to tell someone off
You might want to reflect on if you really need to. “Fuck off” and walking away is also sufficient. Delivering via a written message is also an option.
If this is a work situation then my suggestions change dramatically.
Retirement age in America still gets raised.