My condolences on your loss. (I'm an older person myself. And everyone in my birth family has now been gone for many years.) I see you're a 5+year member. So perhaps you're already familiar with the articles, in PC's archives, on the subject of grief & loss. However, just in case not, here's a link to a listing of some of those articles:

Coping with Grief | Psych Central

And then I thought I would also share with you my personal favorite among the grief-&-loss-related articles in PC's archives:

What My Dog Taught Me about Grief and Loss

(If you read it be sure to read all the way through to the end. That's where the gold is.)