It’s sounds like you need some distance from your parents. I would recommend moving away if you still live at home and seriously reducing contact to focus on your own growth. Regardless if moving is possible, you need to find a way to build a boundary. Their expectations are their problem. You’re task is it find ways to be present and be happy, and also to build towards a better future.

I recommend the book The Courage to Be Happy. I’ve read it 4 or 5 times now.

If you want to be a doctor, then go become a doctor. If you really want to be a doctor, you’ll get there. Submitting late applications proves to everyone involved that you’re not ready to start medical school. They did you a favour by rejecting you. It would have been worse to invest the time and money into a future that you don’t want or are not ready for.