18 summers, give or take a few. That’s how many summers most of us will have with our children before they leave our homes. I read once about a mom who put 18 rocks in a jar. At the end of each summer, she removed a rock. As each year passed, the jar looked more and more empty, reminding her of how fast time was passing. The truth is, it’s tempting to wish the days away…especially the long, difficult days. It’s tempting to anticipate the next stage so much that we miss the beauty of the stage we’re in. Last night, …