Notjustaprettyface I can understand your worries now, but you hadn't told us before where you lived, although a number of people had made provisos that you hadn't told us this.
We can only offer advice and help based on what information we are given and the emphasis in your original post was whether your daughter was 'using' you or not and whether she would hold it against you for a long time, which doesn't suggest a rather puzzling and fragile family dynamic.
The simple answer is that if you think you would find the journey very tiring and sorting all the paperwork too difficult tell your daughter that you wish you could do it, but you would find the journey too tiring and the paperwork too difficult. How this would affect your relationship with your daughter, is between you and her
As others have said, sometime AC do not realise how much our physical and mental stamina declines with age and expect more than we can do, they do not mean it. It is up to us to explain it to them.
nadateturbe Obviously, if you have ME, then how much you can do, whether travelling or anything else is going to be limited.