It’s my birthday this week. This is not normally cause for a big celebration and this year it is less than usual. Still, unlike my husband, Peter, I actually do celebrate my birthday. I don’t expect anyone else to celebrate—although it’s nice to know my parents remember I was born and still seem to think it was a good thing. But I’m puzzled by reports of people my age who have huge celebrations or pout if they don’t get a party. My grandmother had a big party on her 100th birthday and I think that’s an appropriate time for a “blow-out” ...