I don’t know what to do - my beloved grandad is in a hospice and doesn't have long left

I am new to all of this and I’m not even sure what answers I’m trying to look for. Maybe I just need to write? Who knows…

My beloved grandad was transferred to Hospice for end of life 5 days ago. He has Secondary liver cancer, mets to bone and lymph nodes. He has stopped eating, and is very tired. Completely lost his mobility and is hallucinating daily. He seems to enjoy the hallucinations so I don’t push back on them. Who am I to burst his bubble.

I’ve spoken with the consultant at the hospice and she has informed me that unfortunately it’s just a matter of time until he passes. I’m terrified. I’m constantly reading about end of life signs, what to do, how to help our loved ones but i’m just so scared. I am so lucky to be able to visit him every day, multiple times a day.

I haven’t really asked any questions, I guess I’m just looking for guidance