Hello sweetie - it's such a very sad situation for your family & enormously difficult to deal with. I don't really have any advice as such because we all deal with these traumas so differently. Facing something inevitable like the loss of someone you love so much is desperate because of course you don't want it to happen & wonder how you will cope with it. These feelings are normal but what life has taught me is that people are usually much stronger than they think they are & do, somehow, find a way to manage & get through it.

It's important that you let yourself feel how you feel & try to share those feelings with loved ones. Tell your sister how much you love her whilst you can. It will help you later.

Do keep posting here & you'll get support from people who have been through this & understand your pain. Will think about you. x