I think you should just accept that this is how things are at the moment. Your daughter is probably fully extended emotionally and physically coping, and with you not being able to help she may feel this is the last straw. She may have insufficient emotional reserve to support you so she does not ring. She can't take on another problem if she is to keep going.
You need to look after yourself and when you are ready resume your support.
Being quizzed by chemist's assistant in Boots.
To think that London, or anywhere else for that matter, does not belong to any one demographic