There's no harm in having hope. \:\) Just don't let hoping start making you get expectations that things will be different. Know what I mean? Be pleasantly surprised if something changes with her.

Your doing fine. Just keep doing what you are doing. Be patient, things can change, but only on her timeline. Keep the lines of communication open. Be openly friendly when you see her. As she gets more comfortable with being around you, she may not feel so sick. If she sees you crushed, she'll be less likely to want to see you. As she said, she feels bad for how it went down and doesn't want to see you hurt. So, don't let her see that she hurt you.

In the end, it's not the years in your life that count. It's the life in your years.
Abraham Lincoln

It is hard to fail, but it is worse never to have tried to succeed.
Theodore Roosevelt