My family on my dad's side is completely strained. I've seen my Father's brother once in my life, that I can remember and it was at his father's funeral. I saw my cousins too, all younger than me and I don't know how they're doing. I always wanted to know them but my father and uncle do not talk to each other at all, I learned more about my uncle from my mother and grandmother than my father.
And my father's mother is currently suffering from alzheimer's and my father surprised me by taking her in, I think my uncle was helping for a short time but stopped.
My other grandmother has some horrible depression and if she's alone it'll hit her. If I'm around people, mine sets in. I also worry about my short-term memory loss because I'll forget names, faces and what not soon after meeting someone. I used to say it takes me meeting someone three separate times before I learned their name, which was moderately true for me. Now I can barely remember names and my depression is 24/7. I went out to see a theatre performance, the visuals, story and costumes were all good/great. I didn't smile, not for myself or my family. I knew my little 10yo cousin who loves me like nothing else would be there. Didn't smile, didn't hug her. She even questioned me on it and I just said it wasn't who I was anymore. First time she's seen me in months.