I'm originally from the USA. I've lived in Australia for over 20 years now.
The last 10 years have been hard to watch from afar. The problems go back way further than that, of course, but it really felt/feels like everything comes to a head in Trump's presidency.
There's a kind of grief that comes with watching your country go through what's been happening in the USA over the past year (not that awful and worse things haven't been happening elsewhere in the world, but it's different when it's your home country and people you love still live there).
And another kind of grief comes from watching people you know personally and otherwise consider to be intelligent, rational, and caring become Trump fanatics who can no longer be reasoned with on any subject remotely related to Trump or the Republicans. I still can't understand them.
How does this all play out? Badly. I expect it's going to be very hard for the people in the USA, and I expect things are also going to be bad for many other countries and their people. We're looking at a reorganisation of global order, and maybe that's long overdue but it's going to be a painful process - the more so because it's happening all at once via abrupt chaos rather than planning for smaller transitions.
How has it affected me personally? My sister left the country. I don't know when I'll get back to visit friends and remaining family, now. Sister was the main reason I've gone previously, and now I'll likely have to choose between USA or visiting her in Europe (finances don't typically allow me to do both). Additionally I would not feel comfortable travelling to the USA right now.
I am actively advising my Australian family and friends to avoid the USA, and not even use their airports in transit to another country. I don't see that advice changing before 2029, and it may not change very soon after that.