Coping and Overwhelmed

Hello,
I am having some issues with coping with my husbands stage IV cancer reoccurrence. He was diagnosed with Stage IV metastatic colon cancer which has traveled to his liver and omentum in 2022. He was 53 at the time. He had several surgeries last year which we thought would extend his life for several years. We thought he might even beat it. Apparently this is not the case. Currently, cancer has returned to all areas and even more in the colon than before. I am overwhelmed with sadness and questions. Selfishly I am wondering how I will survive his cancer (I am 60 years old) and how my son will survive his cancer living in the same home. My son suffers from depression and anxiety so I am very concerned. I am very sensitive to others pain and tend to get sick myself when stressed out. I know I need to find a way to be a good caregiver without making myself sick but I don't know how.

We recently moved across the country and my husband is lacking friends but have his parents about an hour away. His parents are not very good at being supportive and are in their late 70s. I have friends and a few relatives that live a couple hours away. I feel like my friends don't really want to be involved in all this sadness. They have their own lives, their own troubles. I just don't know where to turn for help. I just started a new job and can hardly focus on what I need to be doing. I have so many questions like how will I afford my home, will I ever retire, etc. Maybe you all have some pointers you can share. I pray a lot but I'm not really getting any answers.
Thanks for listening. I'll get through it somehow.