inner sense of fight. Fight for life. Fight for independence. Fight for courage.
My daughter was 3 when she died, so my experience is quite different. While she loved talking about Jesus, she didn't want to talk about heaven. When the end was near she would regularly say things like "I want to stay here with you," without any prompting from anyone. The spirit was preparing her for her graduation from mortality, but she was stubborn and loved her family.
Your daughter is likely going through the same thing, but doesn't quite know how to handle those feelings and those promptings she has received.
Be there for her. Answer her questions. Ask her if she wants to talk about any of this. But don't force it on her. She will let you know when she is ready. And she may not ever be ready. And that is ok. Your service, sacrifice and suffering these last 22 years have been enough.