I hope your Bro is ok. Sounds like he has a relationship, which is progress from his previous situation (if the same brother).I live on my own and I'm fine, bits and bobs to do. I do have QVC on during the day mainly as background - I'm finding it particularly cringe-worthy at the mo. Not high risk so I can nip out for few mins. But no time to feel lonely because 3 of my nieces and nephews often text me to check I'm ok, and see if I need any shopping. So sweet of them, but I'm only 64 and I suddenly feel ancient !
My brother can't see his girlfriend at the mo as she's a nurse working extra shufts and lives 10 miles away. I know he's lonely because he's started calling me a couple of times a day. Last night he rang at 9.10pm, and the call finished at 10.42pm ! He says he feels it's surreal, he can't settle to do anything.
You are v lucky that your nieces & nephews are sweet. My nephews are 3 lazy turds & haven't visited their Grandparents for years now, despite having cars etc & plenty of cash. One is off work now so has plenty of time. Grrrrrrr. They have to PAY a lad of similar age to help in their garden, as the nephews don't.