Andrew sounded a tad annoyed even though it was his 10th birthday, a momentous occasion for most 9-year-olds, to be sure. “Man, it takes sooooo long to go from 8 to 9 and then 9 to 10,” said my thoughtful great-nephew with surprising dramatic flair. He was decidedly relieved to join the ranks of double digits earlier this month. The dude is wiser than his years, a small but mighty soccer player who reads hardcover books and can tell a knock-knock joke with the best of them. Born in 2009, Andrew is considered to be a member of Generation Z, whom demographers say were born from the mid-1990s into the…