any advice?

So, my girlfriend broke up with me two weeks ago. We’re still really close though. I still have mega feelings for her. I know thats normal but its ripping me apart because im still confused on why she ended things with me. I know the full story and we’ve talked about it and all, but its still a little foggy. I keep getting told that she’s just protecting me from herself and recently i found out what that meant. She won’t tell me anything. Even just after we broke up she still told me everything. Im just terrified to ask what’s going on, or even tell her that i still have feelings for her because of the mental state she’s in. I don’t wanna lose her. If you have any ideas on how i could remind her that im here for her without making it too repetitive or annoying please, let me know.