>>21719610He's bored as fuck and has absolutely nothing to do. Old people do shit like this all the time. I had a land lady that would run the washer for ONE garment every day. She would also take out the trash when it was barely 1/10th full, EVERY DAY.
Get him into some group: "adult care", "community activity center", larping, cosplay, drinking heavily at the VA, leering at young girls at the mall, "seniors walking / hiking / sightseeing group", church crap, whatever.