I’ve only been a dad for 3 1/2 years, but I can neatly divide my memories and lifestyle into two distinct categories: B.C. (before children) and A.C. (after children). They ways in which life changes after you have kids is a subject for a book, not a blog post, but one new habit is particularly relevant right now. Before having kids — I have one daughter who will be 4 in March and another daughter who will be 1 in November — going to a baseball game often meant finding the best seats available.