It’s no surprise that the holiday season can bring the passage of time into focus. As we catch up with relatives and friends we may not have seen over the course of the year, we notice the small changes in them that come with age. Even for those who see their family members regularly, the contrast of this year’s celebration to the last can make us all realize that we’re not getting any younger. And the older memories of childhood and holidays past usually contrast with the way things are today.