Try to understand your girlfriend’s situation first. I know she loves you but as children, we would all do everything we can for our parents, right? If you truly love her, you’ll understand what she’s going through and you won’t leave her because during times like this, she needs you even more, to support her and help ease what she’s feeling. You’ll eventually reach the point of marriage if you truly love each other. It’s better to continue your relationship without regrets in the end.