DEAR ABBY: I am suffering from a depression I think many mothers experience when they become empty nesters. Although my husband is supportive, I miss my 18-year-old so much that sometimes I’m tempted to drive to his college in Florida. My husband and I have always wanted to live in a warmer climate, but he doesn’t like the humidity in Florida. We had planned to move to Arizona once my son went away to college, but now I’m having second thoughts because the drive to Arizona from Orlando is twice the distance, and I don’t think I can take his ...