“It is not what you do for your children; it’s what you have taught them to do for themselves that will make them successful human beings.” ~Ann Landers   As I post this, a good friend is on the expressway, driving her only daughter to start her first week of college in another state. I’m reminded of an essay I wrote a few weeks later after I settled into my newly emptied nest. The piece was first published in Metro Parent magazine, and later republished in Guideposts. To read it online, click here.    Today our son is a married man with a family of his own — yet the topic of launching our kids to adulthood…