A generation delaying getting married and having children is creating interesting cultural shifts, and some hilariously awkward family moments. When one twenty-something found herself as the only single sibling and was deemed too old to be on her parent’s holiday card, she began to make her own tongue-in-cheek cards “celebrating” her solo, childless status. These hilarious missives, featuring booze and uncomfortable scenes, have gone viral, and she has become a holiday hero of the unmarried. (Mashable)