Treasure those last moments together and use them as a therapy once you've said your last goodbye. It is what I did when my father passed away last august.
Some of the suggestions did I use too. This is one I also used (and there are more 'Note To Self' kits you might want to check out):
Also, Studio Basic has many kits about loss and grief after she lossed her partner, like this one (and others in her 'The Thing Is:...' series:
Thank you everyone. Unfortunately she passed away on Tuesday morning before we could see her. We are choosing to reminisce on our own remembering the good times that we've had with her.