Yes you are, Confused. It is good that you are reading, but one rarely makes it through the lessons in the order they are set out, sometimes one goes back, sometimes one jumps forward. It's OK. As long as you make it through the day healing will come in its own time. Keep reading, keep thinking about the relationship and also allow yourself space to sit with your feelings. When I was really bad with my BPD ex I would take it one hour at a time. Well, here I am
Hope you are getting some exercise and sunshine every day? Were there things you used to do before the relationship that somehow fell away? At least think about doing them and how good they made you feel!
You are going to get through this. Two weeks is a short time, but although it varies for all of us 30 days NC seems to be about the point at which one starts to recover.