DEAR ABBY: My husband passed away from COVID in 2021. A year later, after it was safe to socialize, I had a memorial dinner to commemorate him. Not one of my seven local siblings attended. They said, “That was for HIS family.” I didn’t argue or try to convince them that I needed them. It was terribly embarrassing when my friends and my husband’s friends kept asking to meet my siblings. It’s been two years since the service and three years since his death, and I can’t get over feeling abandoned. Although I am cordial, I don’t rely on any of them. No one seems to notice my withdrawal — at least…