At a certain point in life – let’s just call it early middle age – birthdays can feel somewhat understated. With the exuberance of coming of age at 18 and 21, the growing up marker of 30 and the landmark 40 firmly under your belt (this writer’s certainly), personal celebrations get a little more routine. At the same time, other people’s birthdays start to become far more interesting as they grow up or hit some of the milestones mentioned above.