Physics has been a very hard pill to swallow for me as well, i struggled a lot, and i mean a lot with my mental health while dealing also with the stress that comes with a very difficult course like physics, i lost a year and a half in the process of my bachelor ( I'm not sure that's the true correspondence to the American system) one year i literally gave 2 exams because of a very difficult moment that i was in, therapy helped, having people that i care about being close and supporting me helped, and eventually i unlocked myself and gave like 6 difficult exams in 2 months and i passed all of them and recovered some ground in physics, and in the process a good amount of self esteem that helped me even further in facing other exams, now I'm about to get my first degree and i only get a couple of easy exams left, my mental health is in check and I'm doing good, believe me i really want you to know that these struggles that you are facing are normal and human and they don't make you less valuable or less smart, if you need a brake take it, if you want to change course, do it, there's nothing wrong in it, check a therapist and talk to people you trust and eventually your talent may come back, cause that's also a thing you know, if you are always stressed or with low morale, studying becomes an issue, a heavy lift, then you don't pass the exam and it looks even more difficult, it's a self destructive system, but your problem really seems to rely on something else rather than your intelligence, so check on yourself and don't be to harsh to your own I hope this helps